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Suppose that the shuffleboard puck from the "Work" worksheet has a mass of 0.85 kg, starts...

Suppose that the shuffleboard puck from the "Work" worksheet has a mass of 0.85 kg, starts from rest, and gets released with a speed of 0.60 m/s. Find the change in internal energy of the puck/table/air during the player's push

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Answer #1

here,

the mass of puck , m = 0.85 kg

initial speed , u = 0.6 m/s

the kinetic energy gained , KE = 0.5 * m * u^2

KE = 0.5 * 0.85 * 0.6 J

KE = 0.26 J

the change in internal energy of puck is ZERO

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