Answer to Question #301389 in Physics for Adam rock

Question

The slope is at an angle of 22° to the horizontal. Each raft has a mass of 8 kg. The length of the slope is 50m.

A child of mass 52 kg sits in a raft at the top of the slope. The raft is released from rest. The child and raft slide together down the slope into the water. The force of friction between the raft and the slope remains constant at 180N.

Show that the acceleration of the child and raft down the slope is 0.67 ms-2

Answer 1

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