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QUESTION
The roller-coaster car shown in Fig. 6-41 (h1 = 35 m, h2 = 0 m, h3 = 28 m, h4=15m), is dragged up to point 1 where it is released from rest.
The roller-coaster car shown in Fig. 6-41 (h1 = 35 m, h2 = 0 m, h3 = 28 m, h4=15m), is dragged up to point 1 where it is released from rest. Assuming no friction, calculate the speed at points 2, 3, and 4.
