02-09-2016
Physics

contestada

1. What is work done in holding a 15kg suitcase while waiting for a bus for 15 minutes?

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nesabug nesabug

02-09-2016

The man is holding the suitcase at the same height above the surface of earth. So the gravitation potential energy remains the same.

work done is force * displacement = weight * 0 = 0

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