Question: The 7.5 kg box that is sliding down a circular chute reaches point A with a speed of 25 m/s. The kinetic coefficient of friction

The 7.5 kg box that is sliding down a circular chute reaches point A with a speed of 25 m/s. The kinetic coefficient of friction between the box and the chute is 0.25. When the box is at A, calculate (a) the normal force acting between it and the chute; and (b) its rate of change of speed.

7.5 kg

7.5 kg A 2m

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