A roller-coaster vehicle has a mass of 506 kg when fully loaded with passengers (see figure).
(a) If the vehicle has a speed of 22.0 m/s at point A, what is the force of the track on the vehicle at this point?
(b) What is the maximum speed the vehicle can have at point B in order for gravity to hold it on the track?
point A, r=10m and point B, r=15m
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I still don't know where A and B are. The radius' of the two hills are nice, but where is A and B?
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