STANDARD Physics Vertical Motion MCQ Question
A ball is thrown vertically upwards with a velocity of 20 m s⁻¹ from the top of a multistorey building of 25 m high. How high will the ball rise? (Take g = 10 m s⁻²)
10 m
15 m
20 m
25 m
Correct Answer
Detailed Explanation
Taking vertical upward motion of the ball up to the highest point: u = 20 m s⁻¹, v = 0 (at highest point), a = -g = -10 m s⁻². Using v² = u² + 2aS, we find S = 20 m.
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