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A 80 kilogram skater who was moving at 5 meters per second leaps into the air...

A 80 kilogram skater who was moving at 5 meters per second leaps into the air and is caught by a 100 kilogram skater who was at rest. Calculate the final velocity of the system. Calculate how much kinetic energy was lost in the system during the collision. Assume that it was an inelastic collision where the total kinetic energy was not remained same before and after the collision. Calculate the potential energy between the two skaters and compare the magnitude to that of the kinetic energy.

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