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Suppose that you drop a marble from the top of a building, which is about 850...

Suppose that you drop a marble from the top of a building, which is about 850 m tall.

If you ignore air resistance, how long will it take for the marble to hit the ground?

How fast will it be moving just before it hits?

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We have h= 850m 2. 173.29 V6 677

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