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Unformatted text preview: ( Ans : 160 m/s) 30 5 m . 3. The frictionless track is made of a straight vertical section and a half circle as shown. Released from rest at the top of the track (point A ), the smaller block 1 ( m 1 = M ) slides down and makes an elastic collision with the stationary larger block 2 ( m 2 = 2 M ) at the bottom of the track (point B ). (a) As the smaller block slides back up along the track after the collision, it reaches the highest point D . Find the angle that locates point D on the track. (b) Find the normal force at C from the track on the larger block as the larger block slides up and reaches the end of the track. R 2 R A B D C...
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