Question: A vertical spring stores 0.962 J in spring potential energy when a 3.5-kg mass is suspended from it. (a) By what multiplicative factor does the

A vertical spring stores 0.962 J in spring potential energy when a 3.5-kg mass is suspended from it.

(a) By what multiplicative factor does the spring potential energy change if the mass attached to the spring is doubled?

(b) Verify your answer to part (a) by calculating the spring potential energy when a 7.0-kg mass is attached to the spring.

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