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12521 - from chris (usa) - 2009-04-09 Physics : "physics: atwood machine" Consider the system shown in the figure with m1 = 25.00 kg, m2 = 10.20 kg, R = 0.18 m, and the mass of the uniform pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.00 m above the floor when it is released from rest. The pulley axis is frictionless. The cord is light, does not stretch, and does not slip on the pulley. a) Find time interval required for m1 to hit the floor. b) Find time interval required for m1 to hit the floor if the pulley were massless. This system is an Atwood machine. Please help me out!!! any help will be greatly appreciated.

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