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Please answer qurquest number seven in the above attached image...thankyou

Please answer qurquest number seven in the above attached image...thankyou 

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Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dear studnet
 
Ne work done = Wnet = potential energy stored in spring  +  loss of potential energy of mass
 
 = mg (h + d) – ½ * k * d^2
 

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