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July 30, 2015

Homework Help: Science

Posted by Sphelele on Wednesday, July 2, 2014 at 12:06pm.

Abox of mass 60kg starts from the rest at height h and slides down a rough slope of length 10m, which makes an angle of 25 degree with the horizontal. It undergoes a constant acceleqation of magnitude 2m/ while sliding down the slope. Calculate the work done on the box by the frictional force, using the work-energy theorem

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