3 years ago

Is gravity constant over the entire earth surface.Explain why?

1 answer:

5 0

Gravity is often assumed to be the same everywhere on Earth, but it varies because the planet is not perfectly spherical or uniformly dense. In addition, gravity is weaker at the equator due to centrifugal forces produced by the planet's rotation

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3 years ago

A 0.2 kg hockey puck moving at 80 m/s is caught by a 40 kg goalie at rest. With what speed does the goalie slide on the slide?

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V = 0.39 m/s

Explanation:

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$mv=(M+m)V\\\\V=\dfrac{mv}{M+m}\\\\V=\dfrac{0.2\times 80}{0.2+40}\\\\V=0.39\ m/s$

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2 years ago

Is gravity constant over the entire earth surface.Explain why?​

Is gravity constant over the entire earth surface.Explain why?