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A body is dropped from the top of a towe...

A body is dropped from the top of a tower. If its average velcoity when it reaches the ground, is ` 10 ms^(-1)` and the time taken by it to reach the ground is 2s, the height of the tower is ______ m.

A

20

B

10

C

40

D

25

Text Solution

Verified by Experts

The correct Answer is:
A
Average velocity =` ("total distance")/("total time ") `
` 10 h/2`
h =20 m,
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