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25-11-2021
Physics

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A ball is released freely from the top of a building 80m high. Find its speed.

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alcohen2006 alcohen2006

25-11-2021

At the top of the building, the speed of the ball is zero.

The speed increases steadily as the ball falls.

When it hits the street, its speed is 39.6 m/s.

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