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A ball is thrown from the ground to clea...

A ball is thrown from the ground to clear a wall 3 m high at a distance of 6 m and falls 18 m away from the wall. Find the angle of projection of ball.

A

`tan^(-1)(3/2)`

B

`tan^(-1)(2/3)`

C

`tan^(-1)(1/2)`

D

`tan^(-1) (3/4)`

Text Solution

Verified by Experts

The correct Answer is:
B
From equation of trajectory `y=xtan theta [1-x/R]rArr 3=6 tan theta[1-1/4]rArrtan theta=2/3`
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ALLEN -KINEMATICS-EXERCISE-2
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