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Title: What is the speed of the roller coaster at point C? Post by: ppk on Apr 10, 2012 What is the speed of the roller coaster at point C?
A) 0 m/s B) 34.6 m/s C) 69.2 m/s D) 20.0 m/s E) There is not enough information to solve this problem. Title: Re: What is the speed of the roller coaster at point C? Post by: CEPA on Apr 10, 2012 If the question is "A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in Figure 8 -6. The vertical
height at position A above ground level is 200 m. Neglect friction and use g = 10.0 m/s2." the answer would be B) 34.6 m/s |