Question

a stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground.
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Answer 1

Answer:

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Answer 2

Height(S) = 19.6 m

• taking g=9.8m/s²
• u=0m/s

1. then apply the formula v²=u²+2gS
2. It will give : 19.6

thus the required final velocity of stone is 19.6 m/s