1. In the figure the mass of the box is 0.15 kg.It slides down the track from point A and reaches point B with a speedof 5.10 m/s. From point B, it slides on a level surface a distance of4.00 m to point C, where it comes to rest. (a) What is the coefficientof kinetic friction on the horizontal surface? (b) How muchwork is done on the package by friction as it slides down the circulararc from A to B?A -R=|80 mm =0.150 kg4.0 mB.

We use the work-energy theorem to calculate the coefficient of friction.

Answered: 1. In the figure the mass of the box is…

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