3 years ago

How does the theory of relativity explain the gravity exerted by massive objects?

Physics

1 answer:

Maslowich3 years ago

8 0

(D)

Explanation:

The more massive an object is, the greater is the curvature that they produce on the space-time around it.

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How is air pressure related to elevation?

exis [7]

Air pressure decreases with altitude

hope that helps you!

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3 years ago

A refrigerator has a mass of 88 kg. What is the weight of the refrigerator?

posledela

Answer:

I don't think the information is complete

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2 years ago

A meteoroid is moving towards a planet. It has mass m = 0.78×109 kg and speed v1 = 4.1×107 m/s at distance R1 = 2.8×107 m from t

wariber [46]

Answer:

$PE=81.755\, J$

Explanation:

Given that:

mass of meteoroid, $m=7.8\times 10^8 \,kg$

radial distance from the center of the planet, $R= 2.8\times 10^7 m$

mass of the planet, $M=4.4\times 10^{25}\, kg$

<u>For gravitational potential energy we have:</u>

$PE=G\frac{M.m}{R}$

substituting the respective values:

$PE=6.67\times 10^{-11}\times \frac{4.4\times 10^{25}\times 7.8\times 10^8}{2.8\times 10^7}$

$PE=81.755\, J$

5 0

3 years ago

A 500N car is pulled up to 20m plant to a flat from 5m above the ground by an effort of 150N parallel to the plank what is the V

Stolb23 [73]

Answer:

Explanation:

VR = Velocity ratio = Distance moved by effort/Distance moved by load

Given:

Distance moved by effort = 20m

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Hence the velocity ratio of the car is 4

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3 years ago

A temperature of 20°c is equivalent to approximately

Yanka [14]

C would be your answer

8 0

3 years ago

Read 2 more answers