How to convert 77f to c?

"For an earth satellite in circular orbit, the values that do not change are speed, gravitational force and distance from the Earth."

Although its velocity changes, its speed does not. Acceleration suggests a change in velocity but does not always imply a change in speed. An trajectory that is perfectly balanced and has a constant speed is called a circular orbit. Every turn in the circular path sees a change in orientation.

A satellite in a circular orbit is not affected by gravity's force because the force is needed to alter the satellite's direction of travel, not its speed. A satellite moves in a circular pattern with a consistent speed known as uniform circular motion.

The distance from the earth to the satellite is also constant as the satellite only moves in the fixed orbit.

Thus, for an earth satellite in circular orbit, the values that do not change are speed, gravitational force and distance from the Earth.

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The identity of the mystery metal is most likely lead.

The amount of heat energy required to raise the temperature of one unit of mass of a substance by one degree Celsius is established as specific heat (or one Kelvin). It is a physical property of a substance that has been usually represented by the symbol "s".

The specific heat of a substance depends on its chemical composition and structure and can vary widely between different materials.

To calculate the specific heat of the mystery metal, we can use the equation:

q = m * s * ΔT

where q is the heat absorbed or released, m is the mass of the substance, s is the specific heat of the substance, and ΔT is the change in temperature.

In this case, we can assume that the heat lost by the gold block is equal to the heat gained by the water, so we can write:

m_gold * s_gold * ΔT_gold = m_water * s_water * ΔT_water

where m_gold and s_gold are the mass and specific heat of the gold block, ΔT_gold is the change in temperature of the gold block, and s_water is the specific heat of water.

Solving for s_gold, we get:

s_gold = (m_water * s_water * ΔT_water) / (m_gold * ΔT_gold)

Plugging in the given values, we get:

s_gold = (64.000 g * 4.184 J/g⋅°C * (25.78°C - 25.00°C)) / (38.600 g * (25.78°C - 25.00°C))

s_gold = 6.962 J/g⋅°C

Comparing this value to the table of specific heats given, we see that it is closest to the specific heat of lead (0.130 J/g⋅°C). Therefore, the identity of the mystery metal is most likely lead.

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The complete question is given as follows:

The magnitude of the linear acceleration a of the sphere is 5/7gsinθ whose mass is M and radius is R.

Given the radius of sphere = R

The mass of sphere = M

The angle of inclination = θ

Let the linear acceleration = a

The horizontal force component = F x = Mgcosθ

The vertical force component = Fy = Mgsinθ

The magnitude of linear acceleration of the sphere can be determined using the equation of motion for a body rolling without slipping.

The friction will be acting opposite to the force such that:

Mgsinθ = Ma + Ff

Mgsinθ = Ma + Iα/R

The moment of inertia of solid sphere I = 2/5MR^2

gsinθ = a + 2/5a

gsinθ = a( 1 + 2/5)

a = 5/7gsinθ

Therefore, the magnitude of the linear acceleration of the sphere is equal to 5/7gsinθ.

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The quotation highlights the colonists' fear and uncertainty about their new environment. The phrase "the Martian air might draw his soul from him" suggests that the atmosphere of Mars is so inhospitable that it could kill the colonists.

The second quotation highlights the colonists' isolation and the fragility of their situation on Mars.

"The wind blew, whining. At any moment the Martian air might draw his soul from him, as marrow comes from a white bone." The story takes place on Mars, where a group of human colonists have settled after leaving a war-torn Earth. The comparison to "marrow coming from a white bone" is a vivid metaphor that conveys the idea of something being drawn out of a person with great force.

"A radio flash just came. Atom bombs hit New York! All the space rockets blown up. No more rockets to Mars, ever!" The colonists on Mars receive this radio message, which tells them that a catastrophic event has occurred on Earth. The news that atom bombs have hit New York and that all the space rockets have been destroyed is a devastating blow to the colonists, who had been hoping to receive supplies and reinforcements from Earth. It also suggests that their dreams of building a new civilization on the red planet may be dashed by events beyond their control.

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The expression for tension T₁ in cable 1 is calculated to be mgcosθ₁/(sinθ₁ + sinθ₂).

The angle made by strings 1 and 2 are θ₁ and θ₂ respectively. Tension in the strings 1 and 2 are T₁ and T₂ respectively.

Considering the diagram attached, the following tension components are written as,

The energy is directed downward by the weight of the block pressing against the body.

Vertical component of T₁ is T₁ sinθ₁ which acts upwards.

Horizontal component of T₁ is T₁ cosθ₁ which acts to the left.

Vertical component of T₂ is T₂ sinθ₂ which acts upwards.

Horizontal component of T₂ is T₂ cosθ₂ acting towards right.

To maintain an equilibrium, the upward forces and downwards forces must be equal even as the forces on the right and left hand side must be balanced.

Therefore, balancing the vertical components we obtain,

T₁ sinθ₁ + T₂ sinθ₂ = mg

For horizontal forces, T₁ cosθ₁ = T₂ cosθ₂

Re-arranging the above equation and making T₂ the subject of the formula, we can write it as,

T₂ = T₁ cosθ₁/cosθ₂

Substituting T₂ into the vertical component we get,

T₁ sinθ₁ + (T₁ cosθ₁/cosθ₂)sinθ₂ = mg

Multiply by cosθ₂ on both sides, we obtain,

T₁ sinθ₁ cosθ₂ + T₁ cosθ₁ sinθ₂ = mg cosθ₂

T₁ (sinθ₁ cosθ₂ + cosθ₁ sinθ₂) = mg cosθ₂

As we know the formula for sin(a + b) as sin(a)cos(b)+sin(b)cos(a), we get the above equation as,

T₁ sin(θ₁ + θ₂) = mg cosθ₂

Making T₁ as subject, we have,

T₁ = mg cosθ₂/sin(θ₁ + θ₂)

Thus, the equation for T₁ is deduced.

The given question is incomplete without the diagram. The diagram is attached in the attachment below.

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From the given information provided, by comparing the charges of capacitors, the correct answer is (e) Q₁ < Q₂ = Q₃.

The charges Q₁, Q₂, and Q₃ on the three capacitors can be calculated using the formula Q = CV, where Q is the charge, C is the capacitance, and V is the voltage across the capacitor.

Given that the capacitors are connected to a battery of voltage V₀ and the capacitance of C₂ is twice that of C₁, and the capacitance of C₃ is three times that of C₁, we can write:

C₂ = 2C₁

C₃ = 3C₁

a) To compare Q₁, Q₂, and Q₃, we need to express them in terms of C₁. From the above equations, we can write:

C₁ = C₁

C₁ = 2C₁

C₃ = 3C₁

Using the formula Q = CV, we can calculate the charges as:

Q₁ = C₁ V₀

Q₂ = C₂ V₀ = 2C₁ V₀

Q₃ = C₃ V₀ = 3C₁ V₀

Since V₀ is the same for all capacitors, we can compare the charges by comparing the values of C₁, 2C₁, and 3C₁:

Q₁ = C₁ V₀

Q₂ = 2C₁ V₀

Q₃ = 3C₁ V₀

Since C₁ < 2C₁ < 3C₁, we can conclude that:

Q₁ < Q₂ < Q₃

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The outside lights will flash to show that Easy-Fill Tire Alert is keeping track of the change in air pressure as the tire fills with air. The car's horn will sound when the tire's pressure is just right. If

The 2022 Nissan Sentra lineup, which is stacked with high-end features, places the SV version in the middle. The SR model, which rounds off the lineup, provides more cutting-edge innovations and opulent features. The Midnight Edition and Premium packages both include this premium trim.

The top trim level is the Nissan Sentra NISMO. With this trim level, you get a fantastic balance of performance and luxury.

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Celestial bodies are objects in space such as the sun, moon, planets, and stars. They form part of the vast universe we live in and are usually very distant from us.

Stars, planets, moons, and many other celestial bodies in the sky are called celestial bodies. The sun and the other celestial bodies that revolving around it form the solar system. These celestial bodies include planets, comets, asteroids, and meteors. Celestial bodies are natural objects floating in space. For example, stars, planets, meteorites, moons, and other space objects. Astronomers use special frames of reference. This is known as the celestial coordinate system. This system is similar to the system used to locate objects on the Earth's surface. Use measurements from known reference points or lines. 

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Yes, the ability to heat different types of glassware can vary based on their material and design. Test tubes can be made of different materials, such as borosilicate glass or plastic, and can have different shapes and sizes. It is important to choose the appropriate type of test tube based on the experimental needs, and to check if the material is able to withstand the temperature and pressure changes during heating. Therefore, you can choose whether or not to heat certain types of test tubes, based on their material and the experimental requirements.

The Sun's diameter is approximately 1.39 million kilometers, while the distance between the Earth and the Sun is approximately 149.6 million kilometers. This means that the Sun's diameter is about 109 times larger than the Earth's diameter, and the distance between Earth and Sun is about 108 times the Sun's diameter.

Despite this enormous distance, the gravitational pull of the Sun on the Earth and other planets in the Solar System keeps them in their orbits, while the energy from the Sun supports life on Earth through photosynthesis and other processes.

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According to the statement, The magnetic field 10.0 cm from their midpoint, in their plane is 0.028.

The region around a magnet where the effects of magnetism are perceived is known as the magnetic field. To explain how the force of magnetism is distributed in the area around and inside something magnetic in nature, we use a magnetic field as a tool.

The magnetic field produced by these two current-carrying wires is simply the sum of the magnetic fields produced b each individually. Sin ce these current are antiparallel, their magnetic field partially cancel so that

Bnet = uI/2π ( 1/r1- 1/r2) = [(4π × 10^-7 m/A)(25.0 A)]/2π

=(1/0.10m - 0.0014m) - (1/0.10 + 0.0014m)

=1.4× 10^-6

in comparison, the earth's magnetic field is 0.5 × 10^-4 T so

Bnet/Bearth = 1.4× 10^-6 T/0.5 × 10^-4 T = 0.028

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The complete question is -

A long pair of insulated wires serves to conduct 25.0A of dc current to and from an instrument.

if the wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field 10.0 cm from their midpoint, in their plane

Answer: both answers are D

Explanation: Mass is measured in kilograms; even though we usually talk about weight in kilograms, strictly speaking it should be measured in newtons, the units of force.

Density is the substance's mass per unit of volume.

Answer:

Both answers are d

Explanation:

Mass is measured in kilograms; although we usually talk about weight in kilograms, strictly speaking, it should be measured in newtons, the units of force.

Density is the substance's mass per unit of volume.

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This golfer is demonstrating Kinetic energy.

Kinetic energy is the force that an object has as a result of its movement. If we want to speed up an object, we must apply force to it. Using force demands us to put in the effort. After work is completed, energy is transferred toward the entity, and the object moves at a new consistent speed.

Kinetic energy describes the energy of movements, which can be seen as an entity or subatomic particle moving. Kinetic energy exists in every moving vehicle and particle. Kinetic energy is demonstrated by a woman walking, a crumb falling from a table and a charged atom in an electric field.

Kinetic energy is the energy held by a moving object. As we've seen, kinetic increases as mass and/or speed increase, and KE remains constant unless an object accelerates or decelerates. Kinetic energy is classified into two types: translational energy is converted into kinetic and angular momentum energy.

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Answer:

British thermal unit (Btu)

British thermal unit is the amount of energy that needed to raise the temperature of one pound of water by one degree Fahrenheit. This is the standard measurement used to state the amount of energy that a fuel has as well as the amount of output of any heat generating device.

The two essential premises for the special theory of relativity are 1. The laws of nature are identical for everyone. 2. The speed of light is the same for everyone. So option a. is the correct answer.

General Relativity is physicist Albert Einstein's interpretation of how gravity impacts the fabric of space-time. The theory, that Einstein publicized in 1915, extended the theory of special relativity that he had published 10 years earlier. Special relativity contended that space and time are indistinguishably affiliated, but that theory didn't concede the existence of gravity. Einstein spent the decade between the two publications discerning that especially massive objects wrap the fabric of spacetime, a distortion that manifests as gravity.

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Since all three 50-kg blocks are at rest, the tension in rope 2 is equal to the tension in rope 1, option B.

Objects at rest tend to remain at rest unless acted upon by an external force. This is a fundamental principle of Newton's first law of motion, also known as the law of inertia.

"Equal to the tension in rope 1" means that the tension in rope 2 is the same as the tension in rope 1. The forces applied to the two ropes are balanced, resulting in no net force being applied to the blocks they are attached to.

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The complete question is:

"All three 50-kg blocks are at rest. the tension in rope 2 is

a. greater than the tension in rope 1

b. equal to the tension in rope 1

c. less than the tension in rope 1"

Answer:

no

Explanation: no c ulr iuhvguyfbytrvytrvuy6r

Here, both the momentum and kinetic energy of he ball are conserved. There is no change in the magnitude of the speed thus, its kinetic energy is conserved.

The kinetic energy of an object is the energy generated by virtue  of its motion. It is related to its mass and velocity by the expression written below:

Ke = 1/2 mv²

The momentum of an object is the product of its mass and velocity. For an elastic collision both momentum and kinetic energy is conserved. But in the case of an inelastic collision, there is some energy loss and the kinetic energy is not conserved but momentum is conserved.

Here, the ball bounces by colliding with the floor, where its direction is changing but not the magnitude of speed. Hence, both the momentum and kinetic energy are conserved.

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Power factor correction can be measured using a device called a power factor meter.

This meter measures the phase difference between the voltage and current in an AC circuit, and calculates the power factor as the cosine of this phase difference. A power factor of 1 indicates that the voltage and current are in phase and all the power is being used effectively, while a power factor less than 1 indicates that there is a phase difference and some of the power is being lost as reactive power.

Power factor correction can be achieved by adding capacitors or inductors to the circuit to compensate for the reactive power, which improves the power factor and reduces energy consumption.

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Store size, cost savings, and repair costs are all important financial impact. which may impact Walmart decision to switch to LED lighting.

Understanding how different components of a system or situation interact in complex and changing ways is known as financial impact. A change in the organization has an impact on other elements of the system. We can see that upgrading to LED lighting has an effect on other parts of the overall system in the Walmart scenario. Yet, the addition of LED illumination has no impact on the expenditures related to buying shop inventory or printing ads for weekly circulars. One factor that is dependent on other factors is a contingency. Managers can decide how to react to a situation by identifying critical contingencies. Walmart executives may decide that installing LED lighting in stores with less than 80,000 square feet is not cost-effective.

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The battery can supply 1512 coulombs of charge. The expected lifetime of the pacemaker is approximately 2.7 × 10^8 seconds, or about 8.5 years.

To find the number of coulombs of charge that can be supplied by the lithium-iodine battery, we can use the formula:

Q = I × t

Where Q is the charge in coulombs, I is the current in amperes, and t is the time in seconds.

We are given that the battery can supply 0.42 A⋅h of charge. To convert this to coulombs, we can use the fact that:

1 A⋅h = 3600 C

Therefore, the battery can supply:

0.42 A⋅h × 3600 C/A⋅h = 1512 C

So the battery can supply 1512 coulombs of charge.

We are given that the average current produced by the pacemaker is 5.6 μA. To find the expected lifetime of the device, we can use the formula:

t = Q / I

Where t is the time in seconds, Q is the charge in coulombs, and I is the current in amperes.

From above part, we know that the battery can supply 1512 coulombs of charge. Therefore, the expected lifetime of the pacemaker is:

t = 1512 C / 5.6 × 10^-6 A = 2.7 × 10^8 seconds

So the expected lifetime of the pacemaker is approximately 2.7 × 10^8 seconds, or about 8.5 years.

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The correct statement is that "They have different colors because they have different temperatures."

What are supergiant stars?

The most massive and brightest stars are known as supergiants. Supergiant stars range in temperature from roughly 3,400 kelvin to over 20,000 kelvin, whereas their absolute visual magnitudes range from 3 to 8.

In light of this, we may say that supermassive stars are a particular form of a star with an absolute brightness of about 3 and a surface temperature of about 20,000 °C.

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Answer:

All galaxies appear to be moving away from all other galaxies.

Explanation:

i m smart brainlist please

The largest moon of Saturn is Titan.

What is Saturn?

Saturn is the sixth planet from the Sun and is the second-largest planet in the Solar System after Jupiter. It is a gas giant planet, meaning it is composed mostly of hydrogen and helium and has no solid surface.

Titan is the only moon in the solar system that has a thick atmosphere, and it is larger than the planet Mercury. Titan's atmosphere is primarily composed of nitrogen, with trace amounts of methane and other gases.

The moon's surface is covered in lakes, rivers, and seas of liquid methane and ethane, and it has a thick haze that makes it difficult to study its surface using visible light. Titan is also of interest to scientists because it is believed to have conditions that are similar to those that existed on early Earth, and it may hold clues about the origins of life on our planet.

Hence, The largest moon of Saturn is Titan.

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There are 1,000 milligrams (mg) in a gram (g).

The conversion between these two units is straightforward, as grams and milligrams are both units of mass in the metric system. The prefix "milli" means one-thousandth, so 1 mg is one-thousandth of a gram. In other words, you can convert milligrams to grams by dividing the number of milligrams by 1,000 or multiplying the number of grams by 1,000.

This conversion is commonly used in medicine and pharmacy, where medications are often dosed in milligrams but measured in grams. It's important to be familiar with the conversion between milligrams and grams to ensure accurate dosing and administration of medications.

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The airplanes have the same effective cross sectional area and drag coefficient. Then, the ratio of drag force at the two densities is 2.3.

Drag Force:

Drag is a type of air resistance that resists the motion of an object moving through the air. Strength is an important consideration in engineering design. Understanding drag and how to reduce it can help people design stronger structures and bridges to better resist wind, more efficient cars and planes, and more efficient harvesting of wind and hydroelectric power. As cars, planes and ships move, drag slows them down. Therefore, engineers improved the aerodynamics of these vehicles to reduce drag and increase vehicle efficiency.

It is related to the density ρ, to the drag coefficient C, to the speed v, to the surface A as follows:

D = 1/2 ρCAv².

According to the Question:

Here, C and A are the same then the ratio of the drag forces D1 and D2 at the two densities is:

D1/D2 = ρ1 v1²/ρ2 v2²

ρ1  = 0.38 kg/m³

ρ2 = 0.67 kg/m³

v1 = 1000 km/h

v2 = 500 km/h

Then, the ratios of drag force is ;

D1/D2 =  0.38 kg/m³ × 1000 km/h / (0.67 kg/m³ × 500 km/h)

          = 2.3

Therefore, the ratio of drag force at the two densities is 2.3.

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The required value of Stefan-Boltzmann Constant is 5.67 × 10⁻⁸ W.m⁻².K⁻⁴ or 5.67 × 10⁻⁵ erg.cm².s.K⁴.

Stefan's constant, also referred to as the Stefan-Boltzmann Constant, is a fundamental constant used in physics. It is the ratio constant in the Stefan-Boltzmann equation for Blackbody radiation. The Greek symbol σ stands for the Stefan Boltzmann Constant. The value of the Stefan Boltzmann constant can be calculated or discovered empirically.

The SI values for the Stefan Boltzmann constant's value are as follows:

Stefan Boltzmann Constant σ = 5.67 × 10⁻⁸ W.m⁻².K⁻⁴

It can also be stated using different units. Stefan-Boltzmann Constant in the CGS unit is 5.67 × 10⁻⁵ erg.cm².s.K⁴.

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There is a force exerted on your hand by the apple when the apple is in contact with your hand and you are holding it up against the force of gravity.

When you hold an apple in your hand, the apple is pressing against your hand with a force equal and opposite to the force your hand is applying on the apple. This force is due to the interaction between the atoms and molecules of your hand and the apple, which is known as the normal force.

As long as the apple remains in contact with your hand, there is a normal force acting on the apple and your hand, which prevents the apple from falling due to the force of gravity. Therefore, the force exerted on your hand by the apple is present when the apple is in contact with your hand and you are holding it up against the force of gravity.

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Answer:

Explanation:

Newtons per metre per ampere or Tesla

It's important to remember that not all individuals will experience the same physical changes at the same rate, and some may experience different changes due to genetics, lifestyle, and other factors.

Yes, there are differences in the physical appearance of an individual in each stage of their development. Here are some of the physical differences that typically occur at different stages:

It's important to remember that not all individuals will experience the same physical changes at the same rate, and some may experience different changes due to genetics, lifestyle, and other factors.

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