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10-05-2017
Physics

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Calculate the work done by a 47 n force pushing a 0.025 kg pencil 0.25 m against a force of 23.

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William01 William01

10-05-2017

Fnet=fa-fr
=47-23
=24n
W=F∆Xcos°
=24n×0.025cos0
=0.6J

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