An 800-n box is pulled 200 m up a 30 degree incline by an, Ask an Expert

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An 80.0-N box is pulled 20.0 m up a 30 degree incline by an applied force of 100 N that points upwards, parallel to the incline. If the coefficient of kinetic friction between box and incline is 0.220, calculate the change in the kinetic energy of the box.

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