An 52.0 n box of clothes is pulled 6.7 m up a 30.0deg ramp, Ask an Expert

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Q. An 52.0 N box of clothes is pulled 6.7 m up a 30.0° ramp by a force of 107 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, calculate the change in the box's kinetic energy.

Q. Children in a tree house lift a small dog in a basket 4.00 m up to their house. If it takes 259 J of work to do this, what is the combined mass of the dog and basket?

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