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mechanical energy lost on the hill

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A fun-loving 11.4 kg otter slides up a hill and then back down to the same place.

she starts up at 5.75m/s and returns at 3.75m/s , how much mechanical energy did she lose on the hill?

change of (E (mech))= ? J

what happened to the energy?

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Solution Summary

It calculates the mechanical energy that the otter lost on the hill when sliding up an back down.

Solution Preview

The toal mechanical energy = gravitational potential energy + kinetic energy.

the potential energy is the same before ...

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