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Two similar springs p and Q have spring ...

Two similar springs p and Q have spring constants Kp and kQ, such that Kp>KQ. The are stretched, first by the same amount ( case a), then by the same force (case b). The work done by the springs Wp and WQ are related as, in case (a) and case (b), respectively:

A

`W_P gt W_Q`, W_Q gt W_P`

B

`W_P = W_Q , W_Q gt W_P`

C

`W_P = W_Q , W_Q lt W_P`

D

`W_P = W_Q , W_P gt W_Q`

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