Question #345199

a trolley runs from P to Q along a track.At Q its PE is 50KJ less than at P.At P,KE of trolley is 5KJ.Between P and Q work that trolley does against friction is 10KJ.What is KE of trolley at Q?


1
Expert's answer
2022-05-26T16:56:10-0400

KE=50+5-10=45 kJ.


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