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Physics, 05.11.2019 02:31 davidreed11

Ahoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts down a ramp that makes an angle of 25° below the horizontal. what is the rotational kinetic energy of the hoop after it has rolled 3.0 m down as measured along the surface of the ramp?

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