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A stone is dropped freely in a river fro...

A stone is dropped freely in a river from a bridge. It takes 5 s to touch the water surface in the river. Calculate : the height of the bridge from the water level .

Text Solution

Verified by Experts

For downward motion
`-y=ut -(1)/(2) gt^(2) =0-(1)/(2) (9.8" m/s"^(2)) (5s)^(2) rarr y=123 m`
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