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Question
Find work done in bringing 3 particles each having mass 100gm from large distance to the vertices of an equilateral triangle of side20cm.
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Solution
Work done=Δu=uf−uI=−3GMma−0
Put the values in SI units
=−3×6.67×10−11×0.1×0.10.2
=−1×10−11J
Put the values in SI units
=−3×6.67×10−11×0.1×0.10.2
=−1×10−11J
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