The output power of the rider that is required to maintain a constant speed is 4,067 J/s.
What is the output power of the rider?While input power refers to the amount of energy put into a device, the output power refers to the amount of energy that comes out.
Also, power is the rate at which energy is dissipated or consumed or given out.
The output power of the rider that is required to maintain a constant speed of 5.0 m/s (about 11.2 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement) is calculated as follows;
P = Fv
P = mgv
where;
m is the mass of a bicycle and its rider togetherg is acceleration due to gravityv is velocity of the riderP = 83 kg x 9.8 m/s² x 5 m/s
P = 4,067 J/s
Thus, the output power of the rider that is required to maintain a constant speed depends on the mass, acceleration due to gravity and velocity of the rider.
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A book is at rest on a gently-inclined ramp. Of the forces listed, identify which act upon the book
The weight of the book is being pulled down by gravity, and it is being propelled up by friction from the table.
What forces act on a book at rest?It's common to hear references to the "law of inertia" when discussing Newton's first law of motion. Matter has inertia, which keeps it moving or in motion and allows it to travel in a straight line.According to this rule, unless an unbalanced force acts upon an object, it tends to stay at rest or continue moving at a constant speed and direction.Unbalanced force, however, is not entirely clear. Unbalanced force: what is it?
Revisiting the book on the table, let's examine it now.Gravity and the table's opposing, equal forces balance one another because they are both acting in these two directions. The book is said to be in equilibrium because it is not in motion. Since there is no unbalanced force acting on the book, it continues to be in motion. after all the forces.An object will be at equilibrium when all forces acting upon it are in balance with one another; it will not move faster.Let's assume, however, that the book is pushed onto the table.The forces affecting the book are currently unbalanced.Both the downward force of gravity and the upward force of friction from the table acting on the book are equal in strength and act in opposite directions. These two forces act as counterbalances.However, no force exists to counteract the force of friction. Friction causes the book to move more slowly as it does. The book changes course due to an unbalanced force.To Learn more About gravity refer to:
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Suppose you and your sister travel at different speeds in space and you note a slowing of her clock. Compared with her clock your sister will notice that your clock runs.
Compared with the sister's clock, she will notice that your clock runs slower. The conclusion can be derived from the Theory of Special Relativity.
What is the Theory of Special Relativity?The Theory of Special Relativity explains how the speed affects mass, time, and space.
The time slows down for observers moving relatively to each other approaching the speed of light. This is called time dilation.
The first observer will find the second observer's clock runs slower than the first observer's. At the same time, the second observer will find the first observer's clock runs slower than the second observer's.
The time dilation can be expressed as
[tex]\frac{t_{o} }{t} = \sqrt{(1 - \frac{v^{2} }{c^{2}} )}[/tex]
Where
t₀ = time in observers own frame of referencet = time observed by the observers moving relatively to the eventv = relative speed of the observersc = speed of light (3 × 10⁸ m/s)You and your sister travel at different speeds in space and you note that her clock runs slower. At the same time, compared with her clock, your sister will note that your clock runs slower by the same factor of
[tex]\sqrt{(1 - \frac{v^{2} }{c^{2}} )}[/tex]
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a firefly glows by the direct conversion of chemical energy to light. the light emitted by a firefly has peak intensity at a wavelength of 550 nm
A firefly glows by the direct conversion of chemical energy to light is 7.5625 almost equal to 8 molecules.
What is chemical energy ?
chemical dynamism, Chemical bonds within substances contain energy. Exothermic chemical reactions are those that release chemical energy during the process, frequently in the form of heat. Some of the heat energy that is used to drive reactions that need to be heated up for them to continue may be stored as chemical energy in newly created bonds.
What is intensity?
As well as being the same as the energy density times the wave speed, intensity is the amount of energy a wave transports over a surface of a given area in a unit of time. Watts per square meter is the most used unit of measurement. A wave's power and amplitude will determine its intensity.
Here wavelenght (w) = 550 * 10^-9 m
we know that, speed of light(c) = ffrequency(f) * w
therefore f = (299 792 458 / 550 * 10^-9)
f = 5.45 * 10^14 s^-1
also we know that E = plancks constant(h) * f
E = 6.62606957(29)×10-34 * 5.45 * 10^14 s^-1
E = 3.63 * 10^-19 J
we know taht we require 3.63 * 10^-19 J amount to produce one photon.
0.30*1.6*10^-19 J of energy is provided by 1 molecule of ATP.
therefore, 1 J is provided by = 1 / 4.8*10^-20 molecules.
therefore, 3.63 * 10^-19 J is provided by = 3.63 * 10^-19*(1 / 4.8*10^-20 ) molecules
=7.5625 almost equal to 8 molecules. ((Used unitary method))
Therefore, a firefly glows by the direct conversion of chemical energy to light is 7.5625 almost equal to 8 molecules.
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Although the main topic of this chapter is the motion of two particles subject to no external forces, many of the ideas [for example, the splitting of the Lagrangian into two independent pieces L =Lcm +Lrel as in Equation (8.13)] extend easily to more general situations. To illustrate this, consider the following: Two masses m and m2 move in a uniform gravitational field g and interact
Looks like a single particular mass in potential energy:
r1 = Position vector of m.
r2 = position vector of m₂
r3 = relative position vector
Rcom = Position vector of Centre of mass.
A Mass Intention is a request by a relative or friend to celebrate a Mass on a particular day or Sunday to appease the soul of the deceased. It can also demand a large amount of willpower for a living. At each Mass, he may pray to only one person as a concern.
Potential energy is stored energy that depends on the relative positions of the various parts of the system. When a spring is compressed or stretched its potential energy increases. A steel ball has more potential energy lifted across the ground than after it hits the ground. Potential energy is the energy stored or stored in an object or matter. This stored energy is based on position.
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over the course of a day (twenty-four hours), what is the angular displacement of the second hand of a wrist watch in radians?
The angular displacement of the second of a wrist watch is d)9050 radians. So, correct option is d.
We know very well that angular displacement is defines as the point through which any line or body rotates in any specified direction.
In 1 minute number of seconds are =60
In 60 minutes number of seconds are =60×60=3600
In 24 hours number of seconds are =24×60× 60=86400
So, we have total number of seconds as 86400.
Now, we know that second hand clock completes one revolution of the clock in 60 seconds.
It means, Angular displacement in 60 second = 2π radians
Angular displacement in 1 second = 2π/60=π/30 radians
Therefore, angular displacement in 86400seconds =(π/30)×86400=2880π radians,
which is equivalent to =2880×(22/7)=9050.42radians.
Hence, angular displacement is 9050 radians
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(Complete question) is:
over the course of a day (twenty-four hours), what is the angular displacement of the second hand of a wrist watch. Express your answer in radians?
a)1440radians
b)2880 radians
c)6070 radians
d)9050 radians
a 7 kg mass oscillates on a spring with 10 j of total energy. what is the maximum speed of the mass in m/s?
The maximum speed of the mass is Vmax = 1.69m/s.
E = 10 J and m = 7kg
Vmax = [tex]\sqrt{\frac{2 * 10}{7} } = 1.69[/tex]
Vmax = 1.69 m/s
The maximum device electricity takes place when the vibrating mass reaches its maximum top and the item's velocity is maximum. while the pendulum hits its lowest factor, capability power is converted into kinetic power.
This is because the pendulum is accelerating because it hits its lowest factor. consequently the kinetic power of the pendulum is maximum at the lowest factor. the entire electricity of the block and spring device is identical to the sum of the ability electricity saved within the spring and the kinetic energy of the block proportional to the rectangular of the amplitude.
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because the force acting on the atom i is the negative gradient of the interatomic potential energy, we write
The more potential energy a particle has, the more negative work the field does.
What kinds of energy are there?Chemical, electrochemical, radiation, muscular, thermal, and nuclear fuel are the six main types of energy. Different forms including electrochemical, acoustic, electromagnetic, and others might be addressed in other studies.
Why is energy so crucial?Energy is a major factor in our everyday routines even though it is an essential need for humans. Our human-made structures are not only heated by energy, but also cooled by it. To lift you finger, climb out of bed, or even stroll down main sidewalk, you need energy.
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Arigid assembly consists of three identical uniform bars with an extra mass attached to one of them, as shown. The assembly can spin freely in the vertical plane about the point connecting the bars. Initially, the assembly is at rest in position A The extra mass is then given a very slight disturbance. Shortly after the assembly is observed to be in position B. Between positions A and B the angular momentum of the system is conserved, because the net force is zero conserved, because the net torque is zero conserved, because the rotational inertia is constant not conserved, because of the torque provided by gravity E) not conserved, because of the torque provided by the force at the prvot pont
Any item that can be rotated has the property of rotational inertia. It is a scalar value that indicates how challenging it is to alter an object's rotational velocity around a specific rotational axis.
The role of mass in linear mechanics is analogous to that of rotational inertia in rotational mechanics. Indeed, an object's mass affects its rotational inertia. Additionally, it relies on how that mass is distributed in relation to the axis of rotation.
It becomes harder and harder to adjust the rotational velocity of the system as a mass deviates from the axis of rotation. This makes intuitive sense given that the mass is now moving around the circle with additional momentum due to its increased speed.
The angular momentum remains constant, or is conserved, in the absence of torque application, or when the net torque is zero.Because there is no friction on the surface of this inelastic collision and no torque is produced by the external force acting on the nail, angular momentum is conserved.To know more about rotational inertia
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a student is trying to determine the tensions in the strings connecting the boxes. if the acceleration of the system and the pulling force f are known, which of the following pairs of equations could be used to find the tensions?
The pair of equations that could be used to find the tensions is given as
m3a3 = Tb & m2a2 = Ta - Tb
How do we find tensions in a string?To find the force of tension in a string, we use the formula T = mg + ma.
We know that tension is described as the pulling force transmitted axially by the means of a string, a rope, chain, or similar object, or by each end of a rod, truss member, or similar three-dimensional object; tension might also be described as the action-reaction pair of forces acting at each end of said elements.
If the three boxes are pulled to the left by strings with negligible mass on a horizontal surface, the masses of the boxes are m1, m2, and m3, where m3>m2>m1. If the acceleration of the system and the pulling force are known, the we have the tension equation is given as m3a3 = Tb & m2a2 = Ta - Tb.
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how to shape the front's armhole for a knitted vest so that the fabric does not bunch up at the armhole
For having a perfect fronts armhole one need to measure the armhole depth.
How to measure armhole depth?
To measure armhole depth one trick is to wrap a measuring tape from the shoulder to the armpit.
One can take measuring tape down over the front of the shoulder and arm, pausing once it hits the center of armpit. This measurement is referred to as your Armhole depth.
Formula for measuring the correct armhole
An armhole is a sleeve that joins body and shoulder by which the sleeve meets the body at the underarm.
There is a Formula for measuring the correct sleeve and each specific site has its own table to measure the perfect armhole
In Centimeters the formula is
Bust/6 + 3.5 to 6cm
In inches the formula is
Bust/6 + 1.37 to 2.3 in
The usual width of the armhole is 4-6cm
If a person is XS -S most likely they will have 4cm of width for their sleeve
And if the person is M, L or XL, most likely they will have width of 5-6cm
Hence this can also be taken as reference.
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different light sources give different ranges of wavelengths associated with the colors of light. colors fade from one to the other gradually, therefore it is hard to establish exact ranges. nevertheless, it is useful to know how the approximate wavelength ranges correspond to the main colors of light. the visible light area of the electromagnetic spectrum can be found in the chempendix. match each wavelength range to its corresponding color.
The range of the wavelength 650-740 nm is of the colour red, 390-420 nm is of the colour violet, 510-550 nm is of the colour green, 450-480 nm is of the colour blue, 570-600 nm is of the colour yellow, 600-640 nm is of the colour orange.
The visible region of the electromagnetic spectrum ranges from higher frequency (violet) to lower frequency (red).
All the forms of electromagnetic radiation fall within the electromagnetic spectrum.
Electro magnetic energy travels in waves that contains a broad spectrum from radio waves to gamma rays. The human eye can detect a very small portion of this spectrum known as visible light ranging from 380-700 nano metres.
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What is the lowest frequency in electromagnetic?.
The lowest frequency in electromagnetic will be of radio waves.
In the electromagnetic spectrum the lowest frequency range is 300 GHz to 3 kHz and these are known as radio waves.
Lowest frequency in the range of electromagnetic spectrum will be Radio waves . Since , Radio waves have lowest frequency that means they also have highest wavelength out of all . Whereas the maximum frequency in electromagnetic spectrum will be of gamma rays .
The frequency ranges from 300 G Hz to 3 kHz
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The radio waves has lowest frequency in electromagnetic spectrum.
Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation. In order from highest to lowest energy, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves. A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space. Transmitters and receivers are typically designed to operate over a limited range of frequencies.
Hence, radio waves lies lowest at electromagnetic spectrum.
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In order to produce beats, the two sound waves should have
a) slightly different amplitudes
b) the same frequency
c) the same amplitude
d) slightly different frequencies
The two sound waves should have a rhythm in order to create beats.
Option d). slightly different frequencies
The frequency of an event is its repetitions per unit of time. In contrast to spatial frequency, it is also sometimes referred to as temporal frequency, and in a contrast to angular frequency, it is also referred to as ordinary frequency. Hertz (Hz), which equals one (event) per second, is the unit of frequency. The reciprocal of frequencies is period, which is defined as the length of time for one cycle of a recurring occurrence. For instance, if a heart beats 120 times per minute (2 hertz), its period (T), or the space between beats, is half a second (60 seconds divided by 120 beats). In science and engineering, frequency is a crucial specification parameter.
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A 68 kg object, starting from rest, travels from point A to point B at a rate of 30 m/s in 2 hours. What is the applied force on the object?
Answer:
[tex]\huge\boxed{\sf F = 0.28\ N}[/tex]
Explanation:
Given Data:Mass = m = 68 kg
Velocity = v = 30 m/s
Time = 2 hours = 2 × 60 × 60 = 7200 s
Required:Force = F = ?
Formula to be used:[tex]\displaystyle F = \frac{mv}{t}[/tex]
Solution:[tex]\displaystyle F = \frac{(68)(30)}{7200} \\\\F = \frac{2040}{7200} \\\\F = 0.28 N\\\\\rule[225]{225}{2}[/tex]
A 90 kg fullback running east with a speed of 5m/s is tackled by a 95.0 -kg opponent running north with a speed of 3m/s. (a) Explain why the successful tackle constitutes a perfectly inelastic collision. (b) Calculate the velocity of the players immediately after the tackle. (c) Determine the decrease in mechanical energy as a result of the collision. Account for this decrease.
The collision is precisely inelastic in nature since both runners were trapped together following the successful tackle.
A Speed question and answer is what?Speed is defined as the ratio of the distance traveled to the time required to cover that distance. Speed is a constant of proportionality since it just has a component and no magnitude.
How do you answer a question about speed?Speed is calculated by dividing the distance traveled by the amount of time it required to get there. Divide the distances by the speed to find the passing time. Combine the speed by the time to find the distance. These equations may appear shortened as s=d/t
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find parametric equations and a parameter interval for the motion of a particle that starts at and traces the circle
In accordance with the stated assertion, the circle is traced counterclockwise rather than clockwise.
What is the motion process?A member's formal request to do anything is called a motion. The foundation of group decision-making is a motion. They direct discussion toward the choice being made. A motion should often be worded to take action or to convey an opinion.
What kinds of motion are there?According to the path of motion, linear movement is further divided into the following categories: Rectilinear motion refers to motion that follows a straight line as its course. Motion that follows a curved course is referred to as curvilinear motion.
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a 0.7 kg engineering book has a length l of 29.0 cm and a width w of 17.0 cm. the mass moment of inertia of a rectangle through its center is (1/12)m(l2 w2)
The mass moment of inertia is 11873.0833
What is inertia?Einstein interpreted Mach's revelation to indicate that since gravity was/is the only known long-range force that could produce such effects, inertia would emerge as a "inductive" gravitational effect of cosmic matter in any correctly constructed theory of gravity.
Inertia is greater for lighter objects than for heavier ones. An object's bulk or weight have no bearing on its inertia. Every object has inertia, but only when it is at rest. The inertia of lighter items is lower than that of heavier ones.
width b = 17.0
length d = 29.0
The mass moment of inertia is d* b* b*b / 12
= 29.0 * 17.0 * 17.0 * 17.0 / 12
= 11873.0833
The unifying force of the universe is inertia. Literally. Without it, matter would not possess the electric forces required to create its current configuration. The heat and kinetic energy created by moving particles work to resist inertia.
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Relating Wavelength to energy level differences during your work with the model set of energy levels, if you were trying to get a line to move from the green part of the spectrum toward the orange or red end of the spectrum, would you drag its energy level to be closer to or farther from the lowest energy level?
The dark lines represent the light frequencies that the gas has absorbed. The energy levels of the electrons increase as photons of light are absorbed by them. The opposite of emission is this
What is wavelength?A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in the consecutive cycles. This length is typically defined in wireless systems in meters (m), centimeters (cm), or millimeters (mm).
What is energy level?Any discrete value from a set of total energy values for a subatomic particle constrained by a force to a finite space or for a system of such particles, such as an atom or a nucleus, is referred to as the energy level, also known as the energy state, in physics.
What is absorption spectrum?In addition to emitting photons, atoms can also absorb photons. The electron in the lower energy level can absorb the photon and go up to the higher energy level if a photon strikes an atom and its energy is equal to the difference between its two electron energy levels.
It absorbs light at wavelengths of 410 nm (violet), 434 nm (blue), 486 nm (blue-green), and 656 nm in the visible region of the spectrum (red). Every absorption line relates to a distinct electron jump.
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Choose the combination of words that will properly complete the sentence. A(n) ____________ provided for a certain amount of time will make a mass change ________________. A Force; velocity B Energy; direction C Energy; velocity D Force; direction
A force provided for a certain amount of time will make a mass change direction.
option D is the correct answer.
What is Newton's second law of motion?
Newton's second law of motion states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.
Also, this law states that the time rate of change of momentum is directly proportional to the applied force on an object.
Mathematically, Newton's second law of motion is given as;
F = ma
where;
m is the mass of the objectF is the applied force on the objecta is the acceleration of the objectF = (mv/t)
where;
v is the velocity of the objectt is the time of motionThus, we can conclude that the applied force can cause an object to change direction.
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A steel beam hangs from a cable as a crane lifts the beam. What forces act on the beam?.
Gravity and the Tension in the cable are the forces acting on the beam.
What is gravity force?
Gravity is the force that practically all material objects in the universe experience. From subatomic particles to clusters of galaxies, gravity affects objects of all sizes. The movement of planets around the sun and the free fall of apples from trees are both caused by this force.
What is tension force?A force throughout a medium's length is called tension, and in this context the force is carried particularly by a flexible medium like a rope or cable. Tension is measured in Newton per meter in the SI system. The forces acting on the beam are
So, there are two force acting on the cable is gravity and tension force.
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A 60kg student is standing atop a spring in an elevator that is accelerating upward at 3.0 m/s^2. The spring constant is 2.5 X 10^3 N/m. By how much is the spring compressed?
The spring is compressed by 0.312 m
What is the difference be spring and string ?A spring is a single element of stiffness that is a component of a system; the simplest type is a spring-mass-damper with one degree of freedom. A string that is being pulled creates a complete, continuous system with its own internal mass and stiffness.
The spring constant is defined as the force per unit length change. There is no doubt that the length will change when force is applied if a string is used in place of the spring. Only the external tension, which is equal to the external pull, will be transmitted by the string.
[tex]F - mg\\= maF= 60(3+ 10)\\F= 780 N\\F= kx\\780= 2.5*10^3\\X= 780*10^-3/2.5\\X= 78^1^0^-^2^/^2^.^5\\X= 780*10^-^2^/^2^5\\X= 31.2*10^-^2\\X= 0.312 m.[/tex]
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To measure the depth of the ocean, a ship sends a short pulse of sound downwards, which is reflected from the ocean floor and arrives back at the ship 2 seconds after it was sent. If the bulk modulus of the sea water is 0.21 x 1010 N/m2 and the density of sea water is 1024 kg/m3, what is the speed of sound in the sea water and what is the depth of the ocean at that location.
How fast sound travels through water at sea level and how deep the ocean is 1.432 x 10³m.
Given
Bulk modulus ( B ) = 0.21 x 10¹⁰ N/ m²
density of sea le ) = 1024 kg / m³
Speed of sound In sea water ( v ) = √B/е
V =√0. 21 x 10¹⁰/1024
V = 1-.432 x 10³ m/s
The Speed of sound has to travel at the bottom of sea and get reflected back to ship itself the distance travel by Sound is 2x
So
(t = 2 see )
2x = vt
2x = 1 . 432 x 10³ x 2
x = 1.432 x 10³m
By observing the velocity of this compressed area as it passes through the medium, we can determine the speed of sound. The sound wave travels at a speed of approximately 343 meters per second, or 767 miles per hour, in dry air at 20 degrees Celsius.
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animation (which statement is incorrect?) select answer(s) refers to the transitions from one slide to another slide can be used to bring in objects onto a slide. can be used when removing objects from a slide. can be used for motion while staying on a slide.
Animation refers to the transitions from one slide to another slide
What is animation in PowerPoint ?Microsoft PowerPoint and other programmes are used to create games and movies in PowerPoint animation. Typically, the animation is done slide-by-slide or using Custom Animation after the artwork is created using PowerPoint's AutoShape features.
An animated PowerPoint presentation can help make the content more engaging and memorable. Entrances and exits are among the most prevalent categories of animation effects. To amp up the impact of your animation effects, you can also add sound.
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Twp bullets have masses of 3.0g and 6.0g, respectively. both are fired with a speed of 40.0m/s. which bullet has more kinetic energy? What is the ratio of their kinetic energies?
Formula: KE=1/2 x m x v^2
What are the 3 types of electromagnetic waves?.
The 3 types of electromagnetic waves are
Radio Waves
Infrared Waves
Ultraviolet (UV) Waves
What is electromagnetic waves ?A magnetic field and an electric field vibrate together to produce electromagnetic waves, also known as EM waves. In other words, magnetic and electric fields that are oscillating make up electromagnetic waves (EM).
And we call these waves "electromagnetic" because they have magnetic fields in addition to electric fields. We also call them "waves" because they propagate outward in accordance with wave equations, just like all the other waves we've seen.
Transverse motion characterises electromagnetic waves. Magnetic and electric fields that are perpendicular to each other oscillate to form electromagnetic waves. The speed of electromagnetic waves through vacuum is the same, 3 x 10^8 m/s.
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A mass on a spring oscillates with simple harmonic motion of amplitude A about the equilibrium position x = 0. Its maximum speed is vmax and its maximum acceleration is amax.
(a) What is the speed of the mass at x = 0?
____vmax
(b) What is the acceleration of the mass at x = 0?
____amax
(c) What is the speed of the mass at x = A?
____vmax
(d) What is the acceleration of the mass at x = A?
____amax
When the mass is traveling toward x=+A at the equilibrium position (x=0), the maximum velocity occurs.
What is velocity?Velocity is defined as a vector expression representing the change in position over time of an object or particle. Acceleration is the rate at which the speed and direction of a moving object vary over time.
In simple harmonic motion, the acceleration is zero at the object's maximum speed. Maximum mass displacement in SHM equates to maximum acceleration. The momentum calculator uses the equation p=mv, or momentum (p) equals mass (m) times velocity (v).
Thus, when the mass is traveling toward x=+A at the equilibrium position (x=0), the maximum velocity occurs.
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in which order would a geologist most likely investigate subsurface geology in exploring for fossil fuels? put the first step on top. quizleet
The order that a geologist most likely investigate subsurface geology in exploring for fossil fuels are:
1. Look at already exposed surfaces.
2. Perform geophysical surveys.
3. Drill an exploration hole.
How are fossil fuels formed by geological processes?Hydrocarbon molecules like coal, natural gas, and oil are examples of fossil fuels. They are created when buried, ancient creatures decompose anaerobically. Natural gas and oil often form from sea sediments, whereas coal typically arises from terrestrial sediments.
Therefore, The study of the physical characteristics and locations of rock and soil found below the surface of the ground is known as subsurface geology. The materials beneath man-made structures are among the most important reasons to learn about the subsurface.
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See full question below
in which order would a geologist most likely investigate subsurface geology in exploring for fossil fuels? put the first step on top.
Look at already exposed surfaces.
Drill an exploration hole.
Perform geophysical surveys.
Measuring its costs and benefits in terms of energy spent and/or gained, which interaction definitely involves one individual gaining and one individual losing?.
Predation involves one individual gaining and one individual losing
What is predation ?In a predation, one organism, the predator, consumes all or a portion of the body of another, the prey. An example of herbivory is when a plant serves as the prey organism.
Predation lowers the number of individuals in the prey population at the level of the community. Carnivorous interactions, in which one animal consumes another, are the most well-known types of predation. Consider wolves hunting moose, owls catching mice, or shrews catching worms and other insects.
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how far from the front of the car will the cm be when two people sit in the front seat 2.35 m from the front of the car, and three people sit in the back seat 3.35 m from the front? assume that each person has a mass of 65.0 kg .how far from the front of the car will the cm be when two people sit in the front seat 2.35 m from the front of the car, and three people sit in the back seat 3.35 m from the front? assume that each person has a mass of 65.0 kg .
The Centre of Mass will be 2.74 m from the front.
The CM of an empty 1150 kg car is 2.35 m behind the front of the car.
New position of the center of mass = (1150*2.70 + 130*3.75+ 195*2.35)/(195+130+1150) = 2.7462 m from the front
CM new = 2.603 from the front.
Thus, the Centre of Mass will be 2.74 m from the front.
The center of mass is a position defined relative to an object or system of objects. It is the average position of all the parts of the system, weighted according to their masses. For simple rigid objects with uniform density, the center of mass is located at the centroid.
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What is the best definition of a longitudinal wave?.
A wave in which the motion of the particle of the medium is parallel to the direction of the propagation of wave is known as a longitudinal wave. This is the definition of longitudinal wave.
Longitudinal waves are that kind of wave in which the particle of the medium Travels parallel in the direction of the propagation of the wave.
The longitudinal waves are also known as rear fractional waves and compressional waves because the particle in this wave moves in such a way that sometime they come very close to each other and sometimes they are far from each other.
Some of the examples of longitudinal wave includes the ripple in water, vibration in guitar string etc.
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