A box rests on top of a flat bed truck. The box has a mass...

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Physics

A box rests on top of a flat bed truck. The box has a mass of m= 16 kg. The coefficient of static friction between the box andtruck is μs = 0.76 and the coefficient of kineticfriction between the box and truck is μk = 0.61.

1.The truck accelerates from rest to vf = 18 m/s in t= 14 s (which is slow enough that the box will not slide). What isthe acceleration of the box?

2.In the previous situation, what is the frictional force thetruck exerts on the box?

3.What is the maximum acceleration the truck can have before thebox begins to slide?

4.Now the acceleration of the truck remains at that value, andthe box begins to slide. What is the acceleration of the box?

5.Now the acceleration of the truck remains at that value, andthe box begins to slide. What is the acceleration of the box?

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