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Three masses ,100kg 200kg and 500 kg are...

Three masses ,100kg 200kg and 500 kg are placed at the vetices of an equilateral triangle with sides 10 m they are rearranged by an agent on the verticws of a bigger triangle of siders 15 m and with the same in -centre Calcualte the work dine by the agent.

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The correct Answer is:
`3.77xx10^(7)J`
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