Physics, 25.11.2021 08:50, michaeldragon9663

A 15.0kg box slides down an incline 5.00 m high and 9.00 m long. It starts at rest at the top and moves at the speed 2.50m/s when it is at the bottom. How much work is done by friction? [688J].
What is the energy transformation efficiency? [94%]

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A 15.0kg box slides down an incline 5.00 m high and 9.00 m long. It starts at rest at the top and mo...