Discuss the force that exists between the Earth and the moon by referring to the mass of each.

Answers

Answer 1

Answer: The word gravity is used to describe the gravitational pull (force) an object experiences on or near the surface of a planet or moon. The gravitational force is a force that attracts objects with mass towards each other. Any object with mass exerts a gravitational force on any other object with mass.

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Brainliest would be nice but of course you don’t gotta :)

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What is the momentum of a 2-kg toy truck that moves at 10 m/s

Answers

p=mv
p=(10)(2)
p=20 kg*m/s

At what speed v will the length of a 1.00 m stick look 13.7 % shorter (86.3 cm )Using formula L=Lp sqrt 1-v^2/c^2

Answers

L= Lp - 13.7*Lp/100 = Lp-0,137Lp = 0,8613Lp

⇒L/Lp = 0.8613

From the formula above L/Lp = √(1-v^2/c^2)

(L/Lp)^2 = 1 - (v^2/c^2)

v^2/c^2 = 1 - (L/Lp)^2

v/c = √[1 - (L/Lp)^2]

v = c √[1-(L/Lp)^2]

v =c√[1-0.8613^2] = 0.508c

In the vacumm speed of light, c, is approx 300,000,000 m/s

v =0.508 (300,000,000m/s) =152,400,000 m/s

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Which of the following is not accurate when describing solids? A. Solids are better conductors of heat than liquids B. The amount of pressure exerted by a solid is solely dependent on its mass. C. Solids with many air pockets are good insulators. D. Molecules in solids are closer together than molecules in liquids.

Answers

Answer;

B. The amount of pressure exerted by a solid is solely dependent on its mass.

Explanation;

Pressure is the force per unit area exerted by a substance on a surface.
Solids exerts pressure on surfaces, which does not depend on the mass of the solid, but depends on the area of contact on the solid and the force applied.
Since pressure refers to force exerted per unit area. Pressure can be increased by either increasing the size of the force or reducing the area over which the force acts.
A solid with a larger surface area where the force acts will exert less pressure compared to a solid surface with a small area where the force acts.

B. The amount of pressure exerted by a solid is solely dependent on its mass
i just took the test

An unusual fog that is denser than air begins to fill a room. Should the people in the room walk out or crwl out? The people should.

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Walk out. If it's denser than air, it'll settle to the bottom

Could a vector ever be shorter than one of its components? Equal in length to one of its components? Explain.

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It can never be shorter than a component - magnitude of a vector is the square root of the sum of the components squared, and a square function never produces a negative number. However, it can be the same size as it's component, if that component is the only one.

Answer:Consider the graph and equation, y = 3x, that represent Alonso’s walking speed. What relationship is represented by this equation and graph? What would the points (3, 9) and (5, 15) represent?

Explanation:

Explain why the speed of a sled increases as it moves down a snow covered hill even though no one is pushing on the sled

Answers

The unseen force of gravity acts on the sled,
accelerating it downward.

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Suppose a spacecraft orbits the moon in a very low, circular orbit, just a few hundred meters above the lunar surface. The moon has a diameter of 3500 km, and the free-fall acceleration at the surface is 1.6m/s2. How fast is this spacecraft moving? A. 53 m/s B. 75 m/s C. 1700 m/s D. 2400 m/s