Physics

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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

  • Physics -

    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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