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A projectile is thrown with speed 40 ms^...

A projectile is thrown with speed 40 `ms^(-1)` at angle `theta` from horizontal . It is found that projectile is at same height at 1s and 3s. What is the angle of projection ?

A

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

B

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

C

`tan^(-1)(sqrt(3))`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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