A piece of marble is projected from earth’s surface with velocity of 50ms−1 . 2 s later, it just clears a wall 5 m high. What is the angle of projection?

Question: A piece of marble is projected from earth’s surface with velocity of 50ms−1 . 2 s later, it just clears a wall 5 m high. What is the angle of projection?

(A) 45°

(B) 30°

(C) 60°

(D) None of these

Answer: option (B)

Solution:

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