Estimate the change in the kinetic energy of the puck

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Reference no: EM13552124

A puck (mass m1 = 2.50 kg) slides on a frictionless table. The puck is tied to a string that runs through a hole in the table and is attached to a mass m2 = 7.5 kg. The mass m2 is initially at a height of h = 7.5 m above the floor with the puck traveling in a circle of radius r = 2.00 m with a speed of 7.5 m/s. The force of gravity then causes mass m2 to move downward a distance 0.75 m. What is the new speed of the puck? What is the change in the kinetic energy of the puck?

Reference no: EM13552124

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