3. A tennis ball is thrown down with a speed of 0.75 m/s from the top of a building. It reaches the ground after 2 seconds.
a' How fast is it moving upon hitting the ground?
b. From what height is it thrown?
pls don't answer nonsense sp/am or if you don't know answer and the answer is not a or b
if you answer bad I report
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Answer:
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