What is the work done by an external agent to stretch a spring with k = 50 N/m by 0.3 m? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

What is the work done by an external agent to stretch a spring with k = 50 N/m by 0.3 m?

A. 1.125 J
B. 2.25 J
C. 4.5 J
D. 9 J