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A body is thrown horizontally from the t...

A body is thrown horizontally from the top of a tower. It reaches the ground after `4s` at an angle `45^(@)` to the ground. The velocity of projection is

A

`9.8ms^(-1)`

B

`19.6ms^(-1)`

C

`29.4ms^(-1)`

D

`39.2ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Tan alpha=(g t)/u`
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