A ball is launched straight upward at from a point above the top of a relaxed…

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

0.50\,\text{kg}

ball is launched straight upward at

10\,\text{m/s}

from a point

0.20\,\text{m}

above the top of a relaxed vertical spring. The ball falls back, lands on the spring, and momentarily comes to rest after compressing the spring

3.0\,\text{cm}

. Neglect air resistance and assume the spring is ideal. Calculate the spring constant

k