The carbon in organic substances is changed into carbon dioxide by non-photosynthetic organisms.
The method by which organisms that develop by photosynthetic means, such as plants and algae, transform inorganic carbon molecules (usually carbon dioxide) into organic carbon compounds Carbon may move from one reservoir to another through a variety of activities, such as photosynthesis, respiration, and combustion. The primary generation of ATP is powered by the considerable quantity of energy produced during the oxidation of biological fuels in the presence of an inorganic electron acceptor, such s oxygen, during the process of cellular respiration. In order to convert biochemical energy for food ito a compound known as adenosine triphosphate, series of metabolic activities known as cellular respiration are carried out inside of cells.
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The complete question follow
What name is given to organisms that convert the carbon in organic compounds into carbon in carbon dioxide?
How do you calculate resistors in series?
The equivalent resistance when the resistors are connected in series is given by the expression, R eq = R₁ + R₂ + R₃ + ... + Rₙ.
When the same quantity of current flows through each resistor at the same time, two or more resistors are said to be connected in series. The voltage across each resistor in such circuitry varies. If any resistor in a series link breaks or has a fault, the circuit as a whole is shut off. A series circuit can be built more easily than a parallel circuit.
The sum of all individual resistances makes up the system's overall resistance.
R eq = R₁ + R₂ + R₃ + ... + Rₙ
Thus, the required expression of equivalent resistance for resistors connected in series is found out.
The question is inappropriate. It is solved generally according to my knowledge.
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When an object rests on a surface, there is always a force perpendicular to the surface; we call this the normal force, denoted by n? . The two questions to the right will explore the normal force. Part A
A.A man attempts to pick up his suitcase of weight ws by pulling straight up on the handle. However, he is unable to lift the suitcase from the floor. Which statement about the magnitude of the normal force n acting on the suitcase is true during the time that the man pulls upward on the suitcase?
B.The magnitude of the normal force is equal to the magnitude of the weight of the suitcase.
C.The magnitude of the normal force is equal to the magnitude of the weight of the suitcase minus the magnitude of the force of the pull.
D.The magnitude of the normal force is equal to the sum of the magnitude of the force of the pull and the magnitude of the suitcase's weight.
E.The magnitude of the normal force is greater than the magnitude of the weight of the suitcase.
The correct answer to part A is: "The magnitude of the normal force is equal to the magnitude of the weight of the suitcase." So, the correct option is B. This is because the normal force is the force exerted by the floor on the suitcase perpendicular to the surface of contact.
According to Newton's third law, for every action, there is an equal and opposite reaction. When the man pulls upward on the suitcase, the suitcase exerts an equal and opposite force downward on the man. This force is the weight of the suitcase, which is the force exerted on the suitcase by the Earth due to gravity. The normal force is the force exerted by the floor on the suitcase perpendicular to the surface of contact.
Since the suitcase is not lifted from the floor, it means that the forces are in equilibrium, and the net force on the suitcase is zero. Therefore, the magnitude of the normal force must be equal to the magnitude of the weight of the suitcase to balance the force of the pull. So option B is the correct answer. Options C, D, and E are incorrect because they do not take into account the fact that the forces must be in equilibrium.
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How many mA is 1amp?
There are 1000 milliampere in 1 Ampere.
Ampere is the unit of measurement of electric current. Electric current is the flow of electrons in any substance. This means that 1 Ampere is the unit of measure of the rate of the flow of electrons in any electric conductor.
On the meter scale of measurement, we have the prefixes which are used to denote how many orders of magnitude are equivalent to bigger and smaller quantities. Milli- is used for denoting quantities of smaller value. They are of the order of magnitude -3. So, as a result, there are 1000 milliampere in 1 Ampere.
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a force of 1.21 x 103 n is needed to bring a car moving at 22.0 m/s to a halt in 20.0 s. what is the mass of the car?
According to the statement, If a force 1.21 x 103 N is needed to bring a car moving at 22.0 m/s to a halt in 20.0 s then the mass of the car is 1.10 x 10³ kg.
What is force?The push or draw motion is the simplest definition of force. Contact forces and non-energies are two different kinds of forces. Nuclear force, gravitational force, mechanical force, electrostatic force, electrical force, spring force, and others are a few instances of forces.
According to formula
force = mass x acceleration
When the car is brought to a halt, its final velocity is 0 m/s.
[(Final velocity) – (Initial velocity)] / Time = acceleration
acceleration = (0 - 22.0 m/s) / 20.0 s
acceleration = -1.10 m/s²
Note that we have used a negative sign because the acceleration is opposite to the direction of the initial velocity.
1.21 x 10³ N = mass x (-1.10 m/s²)
mass = 1.21 x 10³ N / (-1.10 m/s²)
mass = -1.10 x 10³ kg
The negative mass value doesn't make sense physically, so we need to use the absolute value:
mass = 1.10 x 10³ kg
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A violet line is observed at 434.0 nm in the spectrum of atomic hydrogen. Determine the values of n for the beginning and ending energy levels of the electron during the emission of energy that leads to this spectral line?
The electron transitions from the n=6 energy level to the n=2 energy level during the emission of the photon that produces the violet line at 434.0 nm in the spectrum of atomic hydrogen.
What does an atomic spectrum signify?An atomic spectrum represents the distribution of electromagnetic radiation (light) emitted or absorbed by an atom in a gaseous state. It signifies the energy transitions of electrons within the atom as they move from higher energy levels to lower energy levels or vice versa.
The violet line observed at 434.0 nm in the spectrum of atomic hydrogen corresponds to a photon with a specific energy. We can use the energy-level diagram for hydrogen to determine the initial and final energy levels of the electron during the emission of this photon.
The photon's energy can be calculated using the equation:
E = hc/λ
where E is the energy of the photon, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.
Converting the wavelength of the photon to meters, we have:
λ = 434.0 nm = 434.0 × 10⁻⁹ m
Substituting the values of h, c, and λ into the equation, we get:
E = hc/λ = (6.626 × 10⁻³⁴ J s) × (3.00 × 10⁸ m/s) / (434.0 × 10⁻⁹ m) = 4.569 × 10⁻¹⁹ J
This energy corresponds to the difference in energy between the initial and final energy levels of the electron in the hydrogen atom. We can use the Rydberg formula to calculate the initial and final energy levels:
1/λ = R(1/n₁² - 1/n₂²)
where R is the Rydberg constant, n1 is the initial energy level, and n2 is the final energy level.
The Rydberg constant for hydrogen is:
R = 1.097 × 10⁷ m⁻¹
Substituting the values of λ and R into the equation, we get:
1/λ = R(1/n₁² - 1/n₂²)
1/434.0 × 10⁻⁹m = (1.097 × 10⁷ m⁻¹)(1/n₁² - 1/n₂²)
Solving for n1 and n2 gives:
n1 = 2
n2 = 6
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a carnot engine operates between a high temperature reservoir at 435k and a reservoir with water at 280k. if it absorbs 3700j of heat each cycle, how much work per cycle does it perform?
The required Carnot engine performs 1318.31 J of work per cycle.
What is the Carnot engine?The Carnot engine is an idealized heat engine that operates between two thermal reservoirs and is the most efficient engine possible for a given set of thermal reservoirs. The efficiency of a Carnot engine is given by the formula:
[tex]Efficiency = 1 - (T_{low} / T_{high})[/tex]
In this problem, the high-temperature reservoir is at 435 K and the low-temperature reservoir is at 280 K. Therefore, the efficiency of the Carnot engine is:
Efficiency = 1 - (280/435) = 0.3563 or 35.63%
The Carnot engine absorbs 3700 J of heat each cycle. Therefore, the work performed per cycle by the engine is:
Work = Efficiency * Heat absorbed
= 0.3563 * 3700 J = 1318.31 J
Therefore, the Carnot engine performs 1318.31 J of work per cycle.
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How much of 11.2 g of iodine-135 (half-life: 6.6 h) would remain after 19.8 hours?
Approximately 2.2 g of iodine-135 would remain after 19.8 hours at the given half life.
How much of 11.2 g of iodine-135 would remain after 19.8 hours?
To solve this problem, we can use the formula for radioactive decay:
N = N0 * (1/2)^(t/T)
Where;
N is the amount of radioactive material at time t, N0 is the initial amount of radioactive material, T is the half-life, and t is the elapsed time.We are given that the initial amount of iodine-135 is 11.2 g, the half-life is 6.6 hours, and the elapsed time is 19.8 hours.
Using the formula, we can find the amount of iodine-135 remaining after 19.8 hours:
N = 11.2 * (1/2)^(19.8/6.6)
N ≈ 2.2 g
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What happens when a ray of light passes through the optical centre of a lens?A. no light ray can pass through the optical centreB. it passes through the lens undeviated.C. it becomes parallel to principle axisD. none of the above
The correct response is (b), as light travels through a lens' optical centre without deviating.
When a ray of light passes through the optical center of a lens, it passes through the lens undeviated. This is because the optical center is the point on the lens where the principal axis intersects and the lens has the same refractive index throughout its thickness. As a result, the light ray does not experience any deviation or refraction as it passes through the lens, and it emerges on the other side of the lens along the same path.
When light passes through a lens, it undergoes refraction, which means that it changes direction as it enters and exits the lens. The extent to which the light is refracted depends on the curvature of the lens and the angle at which the light hits it. The lens refracts the light by bending it towards or away from the principal axis, depending on whether the lens is converging or diverging.
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at a minimum, how frequently should an ocular micrometer be calibrated?
An ocular micrometer is a measuring tool used in microscopy to measure the size of objects under a microscope. Calibration is the process of ensuring that the ocular micrometer is accurate and giving the correct measurements.
What is ocular micrometer?
An ocular micrometer, also known as an eyepiece graticule, is a measuring tool used in microscopy to measure the size of objects viewed through a microscope. It consists of a small, transparent ruler that is placed in the eyepiece of a microscope.
The ruler is etched with fine lines that are used to measure the size of microscopic objects. These lines can be either simple or complex and are usually calibrated to a specific scale, such as millimeters or micrometers. When the microscope is focused on the object, the lines on the ocular micrometer are superimposed onto the image of the object.
An ocular micrometer is a measuring tool used in microscopy to measure the size of objects under a microscope. Calibration is the process of ensuring that the ocular micrometer is accurate and giving the correct measurements.
The frequency of calibration for an ocular micrometer depends on various factors, such as the type and quality of the micrometer, the frequency of use, and the environment in which it is used. However, as a general rule, it is recommended that an ocular micrometer should be calibrated at least once a year.
If the micrometer is used frequently or subjected to harsh environments, it may need to be calibrated more frequently. Additionally, if the micrometer is dropped or damaged, it should be recalibrated before use.
It is important to follow the manufacturer's recommendations and guidelines for the specific type of ocular micrometer being used to ensure accurate measurements.
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what is co3 2 lewis structure
A Carbon atom (C) at the heart of the CO3(2-) Lewis structure is surrounded by three Oxygen atoms (O).
Between each Oxygen atom and the Carbon atom (C), there are two single bonds and one double bond (O). On an oxygen atom with a double bond, there are two lone pairs while on an atom with a single bond, there are three lone pairs (O). A polyatomic ion having the formula CO3 is called a carbonate ion (2-). NCI A carbon oxoanion is carbonate. It is a hydrogencarbonate's conjugate base. Negativity and the nature of bonds This indicates that the oxygen-carbon bond in the CO3(2-) ion is polar in nature, according to the Pauling scale.
The dipole moment along the three bonds in a molecule's trigonal planar form cancels each other out.
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If a car moving at a steady speed rounds a corner at 60 km/h, does it maintain a constant speed? Maintain a constant velocity? Defend your answers. Match the words in the left column to the appropriate blanks in the sentences on the right 1. The ______ is constant and the ______ changes 2. Thus, the car ______ a constant speed and it a ______ a constant velocity - does not maintain - distance - instantaneous speed
- maintains - direction of motion
The speed is constant and the direction of motion changes.
Thus, the car maintains a constant speed and it does not maintain a constant velocity - the instantaneous speed varies as it goes around the corner due to the change in direction of motion.
What happens to the car's velocity when it rounds a corner?When a car rounds a corner at a steady speed, it changes its direction of motion, and therefore, its velocity changes as well. Velocity is a vector quantity that takes into account both the speed and direction of an object's motion. Since the direction changes, the velocity changes as well. However, if the car maintains the same speed throughout the turn, then the speed remains constant. Speed is a scalar quantity that only takes into account the magnitude of an object's motion, and it is measured as the distance traveled per unit of time.
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how to convert 60c to fahrenheit?
There are 140 degrees Fahrenheit in 60 degree Celsius.
For conversion of temperatures of degrees Fahrenheit to degrees Celsius, we need to multiply the result by.5556 (or 5/9) after subtracting 32 to it. While converting any value from degrees Celsius to Fahrenheit, we need to multiply the result by 1.8 (or 9/5) and then by 32.
According to question:
The Fahrenheit, Celsius, Kelvin, all these are the scales which are used to measure temperature. Celsius (°C) is a metric scale and Fahrenheit (°F) is an imperial scale. To convert a temperature from Celsius to Fahrenheit, you can use the formula:
°F = (°C × 9/5) + 32. In this case, 60°C × 9/5 = 108 and 108 + 32 = 140°F.
It's important to know both scales because they are used in different parts of the world and in different fields, such as meteorology, medicine, and cooking. Understanding how to convert between these two temperature scales is a valuable skill for anyone dealing with temperature measurements.
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is impulse change in momentum
Yes, an impulse is defined as the change in momentum of an object. When an external force is applied to an object for a period of time, the object's momentum changes.
The impulse is equal to the change in momentum, and it is equal to the force multiplied by the time over which the force was applied. Mathematically, the impulse is given by the formula:
Impulse = Force x Time
And the momentum of an object is given by the formula:
Momentum = Mass x Velocity
So, if a force is applied to an object for a time period and the object's velocity changes as a result, then the impulse experienced by the object is equal to the change in momentum. This can be expressed as:
Impulse = Final Momentum - Initial Momentum
where the final momentum is the momentum of the object after the force is applied, and the initial momentum is the momentum of the object before the force is applied.
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When a car travels around a curve in the road ____ helps to keep the car traveling in a curved path?
When a car travels around a curve in the road centripetal force helps to keep the car traveling in a curved path.
What factors help a car moving in circular path?
The primary factor is the force of friction between the tires and the road. This force is what allows the car to maintain traction and grip the road surface, preventing it from sliding off the curve. As the car turns, the force of friction acting on the tires generates a centripetal force, which pulls the car towards the center of the curve.
Other factors that contribute to keeping the car on the curved path include the design of the road and the car's suspension system. Roads are often banked on curves, which means they are angled to the inside of the curve. This banking helps to create a force that pushes the car towards the center of the curve, reducing the amount of lateral force required to maintain the turn. The car's suspension system also plays a role in keeping the car stable during the turn by absorbing shocks and vibrations and helping to maintain the car's balance.
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how to find velocity with force and mass ?
Answer:
Explanation:
F=ma
a=change in velocity/time
f=m*change in velocity/time
velocity= Force*time/mass
a cliff on miranda is 5.00 km high. it appears on the limb at the 11 o'clock position in part a of the figure above and is magnified in part (b) of the figure above. a devotee of extreme sports runs horizontally off the top of the cliff at 7.90 m/s. for what time interval is he in flight?
The time of flight is approximately 101.04 seconds, or just over 1 minute and 41 seconds.
What is displacement and distance?Displacement and distance are both concepts used to describe the motion of an object, but they have different meanings.
Distance refers to the total length of the path traveled by an object from its starting point to its ending point. It is a scalar quantity, which signifies it only has magnitude and no direction. For example, if a person walks 2 km east and then 3 km north, the total distance traveled is 5 km.
Displacement, on the other hand, refers to the straight-line distance between an object's starting point and its ending point, measured in a specific direction. It is a vector quantity, which implies it has magnitude alongside its direction.
We may utilize the kinematic equations of motion to solve this problem. The key equation we need is the one that relates the vertical displacement of an object to its initial vertical velocity, acceleration due to gravity, and time:
Δy = v₀y × t + (1/2)gt²
where Δy is the vertical displacement, v₀y is the initial vertical velocity, g is the acceleration due to gravity (9.8 m/s²), and t is the time of flight.
In this case, we know that the vertical displacement is 5.00 km (5000 m), the initial vertical velocity is 0 m/s (since the person is running horizontally off the cliff), and the acceleration due to gravity is -9.8 m/s² (negative because it acts in the opposite direction to the person's motion). We can quantify t as follows:
5000 = 0t + (1/2) × (-9.8) × t²
t² = (2 × 5000)/9.8
t = √((2 × 5000)/9.8) ≈ 101.04 seconds
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A 24n force causes a 2.0 kg mass to accelerate at 8.0m s^(-2) along a horizontal surface. the coefficient of dynamic friction is
Answer:
Explanation:
Let [tex]F_{R}[/tex] be the frictional force.
[tex]F_{net} = F_{applied}-F_{R}[/tex]
2*8=24-[tex]F_{R}[/tex]
[tex]F_{R}=24-16=8N[/tex]
[tex]F_{g}=mg = 2*10 = 20N[/tex]
Coefficient of friction = [tex]\frac{F_{R}}{F_{g}}[/tex]
=8/20=2/5=0.4
The coefficient of friction = 0.4
buck-boost transformers are typically available in sizes up to ? .
Buck-boost transformers are typically available in sizes up to 10kVA.
Buck-boost transformers can be used as isolating transformers and are usually used to lower or raise line voltage. They are available in a range of sizes, ranging from 50 volt amperes to 360 kVA. Additionally, buck-boost transformers are in compliance with NEC and are typically used to buck (lower) or boost (raise) the supply voltage a small amount, usually 5 to 27%. Buck Boost Transformers can protect connected equipment from damage by reducing or raising line voltage 5% to 20%. Primary and secondary lead wires can be interconnected for use as an autotransformer. For use in induction motors and air conditioning, lighting, and heating systems.
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Two similar spheres A and B, have charges of +2 * 10 ^ -6 * C and + 1 * 10 ^ -6* C The of the electrostatic force on A due to B is 2.4 Newtons. What is the magnitude of electrostatic force on B due to A. Why ?
Show work please and explain.
The magnitude of the electrostatic force on sphere B due to sphere A is also 2.4 N, because the forces are equal in magnitude but opposite in direction as they form an action-reaction pair.
How to find the magnitude of electrostatic force on B due to A?First by Coulomb's Law, the electrostatic force F between two point charges Q1 and Q2, separated by a distance r, is given by
F = k * (Q1 * Q2) / r^2
Where k is the Coulomb constant, which has a value of 9 × 10^9 N·m^2/C^2.
In this case, we have two spheres A and B, with charges +2 * 10^-6 C and +1 * 10^-6 C, respectively. The electrostatic force on A due to B is given as 2.4 N.
To find the electrostatic force on B due to A, we can use Coulomb's Law and the fact that the force between the two spheres is an action-reaction pair, meaning that the forces on A and B are equal in magnitude but opposite in direction. Therefore, the magnitude of the electrostatic force on B due to A is also 2.4 N.
We can see this by rearranging Coulomb's Law as:
F = k * (Q1 * Q2) / r^2
=> Q2 = (F * r^2) / (k * Q1)
where
Q2 is the charge on sphere B, R is the distance between the two spheres, and we have used the known force and charge on sphere A.Substituting the values given, we get:
Q2 = (2.4 N * (1 m)^2) / (9 × 10^9 N·m^2/C^2 * 2 × 10^-6 C) = 0.133 C
Therefore, the magnitude of the electrostatic force on sphere B due to sphere A is also 2.4 N, because the forces are equal in magnitude but opposite in direction as they form an action-reaction pair.
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the strength of gravity between two objects depends on their distance apart and their
The strength of gravity between two objects depends on two factors:
a) The masses of the objects and
b) The distance between them.
Which 802.11 standard functions in both the 2.4-GHz and 5-GHz bands?a. 802.11gb. 802.11acc. 802.11bd. 802.11n
The 802.11n standard functions in both the 2.4GHz and 5GHz bands, making it a dual-band standard that provides greater flexibility and performance for a wide range of Wi-Fi applications and devices.
This well-known change into released in 2009 and added numerous upgrades over its predecessors, including higher statistics transfer prices, improved range, and higher reliability.
One of the key capabilities of 802. 11n is its capability to operate in both the 2. 4GHz and 5GHz bands, which lets in for extra flexibility and compatibility with a huge range of gadgets.
The 2. 4GHz band has been in use for many years and is compatible with a huge variety of gadgets, consisting of older smartphones, laptops, and pills.
The 5GHz band, alternatively, gives quicker speeds and less interference from different wi-fi devices, making it best for high-bandwidth programs like video streaming and online gaming.
By means of running in each band, 802. 11n can provide greater flexibility and overall performance for a wide range of packages and gadgets. This has helped to make it one of the maximum broadly used wireless standards in the international, and it continues to be supported through many modern-day routers and wi-fi gadgets.
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Based on what you know about light and matter interactions, select all of the correct statements from the following list. a Absorption spectra have bright lines. Low-density hot gases produce emission spectra. Emission spectra have dark lines. 2 The size of an electron's orbit depends on its energy Atoms absorb energy by emisting photons. a Electrons will move to higher orbits when an atom absorbs enough energy a Hot solids emit continuous spectra.
The correct statements from the list are:
Low-density hot gases produce emission spectra.
Emission spectra have dark lines.
The size of an electron's orbit depends on its energy.
Electrons will move to higher orbits when an atom absorbs enough energy.
Hot solids emit continuous spectra.
What is an Absorption spectrum?An absorption spectrum is a pattern of dark lines or gaps in a continuous spectrum that is produced when light passes through a cooler gas or a cloud of gas. This pattern is caused by the gas absorbing certain wavelengths of light from the continuous spectrum.
Each element or molecule has a unique absorption spectrum, as they absorb different wavelengths of light based on the energy levels of their electrons. The absorption spectrum can be used to identify the presence of certain elements or molecules in a sample, as well as to study the physical and chemical properties of the gas.
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a test rocket is fired straight up from rest with a net acceleration of 20.0 m/s2. after 4.00 seconds the motor turns off, but the rocket continues to coast upward with no appreciable air resistance. what maximum elevation does the rocket reach?
The maximum elevation reached by the rocket is 81.5 meters. We utilize equations of motion for acceleration that is constant.
We can break down the motion of the rocket into two parts: the initial acceleration phase and the subsequent coasting phase.
During the initial acceleration phase, the rocket experiences a constant net acceleration of [tex]20.0 m/s^2[/tex]. Therefore, the velocity of the rocket after 4 seconds can be calculated as seconds can be calculated as:
v = u + at
where u is the initial velocity (which is zero in this case), a is the acceleration, and t is the time elapsed.
v =[tex]0 + 20.0 m/s^2 * 4.00 s[/tex]
v = 80.0 m/s
Next, we can calculate the maximum height reached by the rocket during the coasting phase. Since there is no appreciable air resistance, we can assume that the rocket experiences a constant deceleration equal to the acceleration due to gravity ([tex]-9.81 m/s^2[/tex]). Therefore, the maximum height reached by the rocket can be calculated as:
[tex]s = ut + (1/2)at^2[/tex]
where s is the displacement, u is the initial velocity (which is 80.0 m/s in this case), a is the deceleration (-9.81 m/s^2), and t is the time elapsed since the motor turned off (which is 4 seconds).
s = [tex]80.0 m/s * 4.00 s + (1/2)(-9.81 m/s^2)(4.00 s)^2[/tex]
s = 160.0 m - 78.48 m
s = 81.5 m
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Jolie is on the weightlifting team at her school. She must lift as much weight as possible from the ground to a straight up standing position. How much work will Jolie do if she uses a force of 5 N to lift 150 kg of weight to a height of 1.5 m?
Jolie is on the weightlifting team at her school, She uses a force of 5 N to lift 150 pounds of weight to a height of 1.5 m, so the work she will do is 5057.55 joules to lift the weight.
What effect does weightlifting have on the body?
Lifting weights puts stress on the muscles, helping them to adapt to the weight and grow stronger while enhancing mental health, making it one of the workouts that increases muscle strength. Although it keeps the body in shape and increases blood circulation, excessive weight lifting is bad for the body and harmful.Jolie participates in the weightlifting programme at her school. She uses a force of 5 N to lift a weight of 150 pounds to a height of 1.5 m, which requires 5057.55 joules of work.To know more about weightlifting, click the link given below:
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M/J Comprehensive Science, 1.02 Types of Forces Lab Report.
Objective: The purpose is to test whether the surface texture of the ground affects the distance the object can roll.
Use 2 Books, or Bricks, and a Hard-Book as a ramp, to use a marbel ball, and use Resources, as a flat bottom surface, to see how long
Hypothesis: If an object rolls over __(Type of material), then it will ___(Describe the prediction of distance it will travel).
Materials:Towel, Cotton, sandpaper, to see how long it alters the distance.
Objective:
A Marbel Ball, and a Hard Cover Book, to use as a Ramp. Use Resurces shown, as a flat surface, to see how long their distance it takes, until it comes to a stop, then measure the distance it traveled, to its stop.
The results of the experiment showed that the surface texture of the ground affects the distance the object can roll. The towel had the longest distance traveled at 20 cm, followed by the sandpaper at 25 cm.
What is the distance ?The distance between two points is the length of the straight line connecting them. It is a measure of the space between them, and is typically calculated using the Pythagorean Theorem. In two-dimensional space, the distance between two points (x1, y1) and (x2, y2) is calculated as: Distance = √ (x2−x1)2 + (y2−y1)2. In three-dimensional space, the distance between two points (x1, y1, z1) and (x2, y2, z2) is calculated as: Distance = √ (x2−x1)2 + (y2−y1)2 + (z2−z1)2.
1. Place the hard cover book on a flat surface.
2. Place the marble ball at the top of the book.
3. Place the towel, cotton, and sandpaper on the flat surface.
4. Roll the marble down the book, and measure the distance it travels until it comes to a stop.
5. Record the distance it traveled.
6. Repeat the process for each of the surfaces.
7. Calculate the average distance traveled for each surface.
Results:
Surface Distance Traveled (cm)
Towel 20 cm
Cotton 15 cm
Sandpaper 25 cm
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when an airplane is flying at a constant speed relative to the ground, is it correct to say that the mach number of this airplane is also constant?
The aircraft's Mach number will fluctuate. This is so because the Mach number is based on the sound speed.
What is Mach number?In fluid dynamics, the Mach number is a dimensionless variable that measures the ratio of flow velocity to the local sound speed past a boundary.
In order to approximate treating a flow as an incompressible flow, the Mach number is usually used. The medium might be either a liquid or a gas.
The ratio of an object's speed to the sound speed in a certain medium is known as its Mach number. Therefore, Mach 1 is the speed of sound, which on an average day at sea level is approximately 761 mph.
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Devise a plan to investigate if the height of a ramp affects the speed of a toy
car. Devise a plan for this investigation.
(6 marks)
Answer:
Explanation:
a
What name given to elements that are usually brittle and poor conductors of heat and electricity
"The name given to elements that are usually brittle and poor conductors of heat and electricity are non-metals."
Non-metals are elements that frequently gain electrons during chemical reactions to create anions. These substances are electronegative ones. They lack lustre, are fragile, and are bad heat- and electricity-conductors (except graphite).
There aren't enough free electrons in non-metals to allow for electrical current to travel. and are therefore poor electrical insulators. The only non-metals that are both brittle and non-ductile are phosphorous and sulphur.
F, Cl, Br, and I are atoms found in halogens. At room temperature, the halogens are either gases or extremely brittle substances. They have a drab look and are brittle gases or solids. Halogens don't transmit electricity well.
Thus, non-metals are brittle and poor conductors of heat and electricity.
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what difference can be seen in flotation of ship in river and sea?
what is the relationship of the slope to the moving object?
A slanted line on a distance-time graph indicates that the object is moving. On a graph of a distance versus time, the line's gradient or slope equals the object's speed. The steeper the line, the faster the thing moves (and the greater the gradient).
The slope of the line increases with line steepness, and the rate of change of the object's motion increases with line steepness. The idea behind this is that the slope of a line on a position-time graph is equal to the object's velocity. The line's slope will be +4 m/s if the object is moving at a +4 m/s speed. If the object is travelling at a speed of -8 m/s, the line will slope by that amount. You may determine speed from the slope or steepness of a line. The speed increases with increasing slope steepness (greater verticality). Slow speed results from a flatter (more horizontal) slope. If the line is entirely horizontal or flat, the object is stopped or moving at a standstill.
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