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H1. A chimpanzee named Allison pushes a box. She loads the box full of her toys until it has a mass of 8 kg. The coefficient of kinetic friction between the box and the floor is 0.4. The box is initially in motion, and moving at a velocity of 1.2 m/s to the right. a) If Allison pushes horizontally to the right with a force of 60N, what is the acceleration of the box? Is the box speeding up or slowing down? b) If Allison pushes to the right with a force of 60N at an angle of 50 below the horizontal, what is the acceleration o the box? c) How far will the box travel before coming to rest?
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