Determine what work was done by friction

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Reference no: EM13532680

A cart of mass 1.8kg rolls without friction on a track. At point A the cart is moving at 6.0m/s.

a) find the speed of the cart at points B and C?

b) The same track is used but now friction is acting on it. When the cart reaches point B it has a speed of 1.4m/s. What work was done by friction?

Reference no: EM13532680

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