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OpenStudy (anonymous):
@Abhisar A light spring is compressed between two trolleys P and Q of masses 4.0kg and 3.0kg respectively as shown in the figure below.The trolleys are held togetherand then released. When the spring returns to its original length,it drops,and the speed of trolley P is 1.5m/s.What was the energy stored in the compressed spring?
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OpenStudy (abhisar):
Fig ?
OpenStudy (anonymous):
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