A ball is initially 50 m above the ground

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

A ball is initially 50 m above the ground. The ball is thrown vertically upwards and takes 5.0 s to reach the ground. Air resistance is negligible. What is the initial speed of the ball? A. 10 m s−110 \text{ m s}^{-1} B. 15 m s−115 \text{ m s}^{-1} C. 25 m s−125 \text{ m s}^{-1} D. 35 m s−135 \text{ m s}^{-1}

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