Question: An empty crate is given an initial push down a ramp, starting it with a speed vo and reaches the bottom with speed v and

An empty crate is given an initial push down a ramp, starting it with a speed vo and reaches the bottom with speed v and kinetic energy K. Some books are now placed in the crate, so that the total mass is quadrupled. The coefficient of kinetic friction is constant and air resistance is negligible. Starting again with Vo at the top of the ramp, what are the speed and kinetic energy at the bottom? Explain the reasoning behind your answers.

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