A roller-coaster car shown in Fig. 8-32 is pulled up
Chapter 8, Problem 8.20(choose chapter or problem)
A roller-coaster car shown in Fig. 8-32 is pulled up topoint 1 where it is released from rest. Assuming no friction,calculate the speed at points 2, 3, and 4.FIGURE 8-32 20and 34.
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