A ball is thrown vertically upward with speed

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

A ball is thrown vertically upward with speed 15 m/s15\,\text{m/s}. Find its speed when it has risen to a height of 8.0 m8.0\,\text{m}. Take g=9.8 m/s2g = 9.8\,\text{m/s}^2. (a) 10 m/s10\,\text{m/s} (b) 8.3 m/s8.3\,\text{m/s} (c) 19.5 m/s19.5\,\text{m/s} (d) 12.5 m/s12.5\,\text{m/s}

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