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A spring is kept compressed by a small trolley of mass 0.5 kg lying on a smooth horizontal surface as shown in the figure given below: When the trolley is released, it is found to move at a speed of 2 ms-1. What potential energy did the spring possess when compressed? |
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Answer» A spring is kept compressed by a small trolley of mass 0.5 kg lying on a smooth horizontal surface as shown in the figure given below:
When the trolley is released, it is found to move at a speed of 2 ms-1. What potential energy did the spring possess when compressed? |
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