A block of mass is brought down by a chain

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

Problem

A block of mass 30 kg30\text{ kg} is brought down by a chain. If the block acquires a speed of 40 cm/s40\text{ cm/s} while dropping 2 m2\text{ m}, find the work done by the chain during the process. (g=10 m/s2)(g=10\text{ m/s}^2)

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