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**Unformatted text preview: **2. An object of mass M is released from rest from a point P on the frictionless track shown in the figure. P is located a height h from the bottom of the track. (Use conservation of energy method throughout.) (a) What is the speed v at point Q (top of the loop) as a function of h ? (b) Draw a free-body diagram for the mass at point Q. (c) What is the centripetal acceleration of the mass at point Q given the speed computed in (a)? (d) What is the value of the normal force when the speed v at Q is equal to its minimum value compatible with the mass remaining in contact with the loop? (e) What is the minimum value of h so that the mass completes the loop without losing contact with the track?...

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