Rahul wants to measure the height of the bridge. To do so, he dropped a stone from the bridge and notices that it took
$5 s e c o n d s$ to touch the surface of the water. What is the height of the bridge? Take $g = 10 m s^{- 2}$ .

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Rahul wants to measure the height of the bridge. To do so, he dropped a stone from the bridge and notices that it took 5 seconds to touch the surface of the water. What is the height of the bridge? Take g=10 m s−2.

Rahul wants to measure the height of the bridge. To do so, he dropped a stone from the bridge and notices that it took
$5 s e c o n d s$ to touch the surface of the water. What is the height of the bridge? Take $g = 10 m s^{- 2}$ .