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Physics, 20.07.2019 10:30 Dericktopsom

Acrate of mass 5 kg slides along a horizontal surface with coefficient of kinetic friction of 0.3. the force is pulled by a rope that makes an angle of 30o above the horizontal. the tension in the rope is 150 n. what is the power supplied by the rope to the crate at an instant where the box is moving at a speed of 3 m/s in the direction the rope is pulling it?

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