Motion in A Plane

Question: A stone is projected from the ground with velocity $25\,m/s$. Two seconds later, it just clears a wall 5 m high. The angle of projection of the stone is $(g = 10m/{\sec ^2})$



1) ${30^o}$
2) ${45^o}$
3) ${50.2^o}$
4) ${60^o}$
Solution: Explanation: Explanation
oblique-projectile-motion

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