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A stone is released from the top of a to...

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

Text Solution

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u = 0 m/s
h = s = 19.6 m
g = 9.8 m/`s^(2)`
`V^(2) - u^(2) = `2gs
`V^(2) - 0^(2) = 2 xx 9.8 xx 19.6`
`V^(2) = 19.6 xx 19.6`
V = 19.6 m/s
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