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From the top of a tower of height 40m, a...

From the top of a tower of height 40m, a ball is projected upward with a speed of `20ms^(-1)` at an angle of elevation of `30^(@)`. Then the ratio of the total time taken by the ball to hit the ground to the time taken to ball come at same level as top of tower.

A

`2:1`

B

`3:1`

C

`3:2`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`v=(s)/(t)=(2pi rN)/(t)`
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