jbehrens40561 jbehrens40561

20-02-2024
Physics

contestada

A porter lifts a 20 kg suitcase from the platform and puts it on his head 2.0 m above the platform. If he walks 50 m with the load on his head, calculate the work done by the porter
a) 0 J
b) 980 J
c) 2000 J
d) 5000 J

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