A stone is thrown straight up with a speed of 250 ms from, Ask an Expert

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A stone is thrown straight up with a speed of 25.0 m/s from the top of a building 55.0 m tall.

How far above the ground will the stone go?

How long until the stone hits the ground?

What is the speed of the stone just before it hits the ground?

If a ball is thrown downward from the top of the same building with a speed of

25.0 m/s, will its speed just before hitting the ground be greater than, less than, or equal to the speed of the stone just before it hits the ground? Explain. (Hint: What is the speed of the stone when it returns to the height it was thrown?)

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