# Springs and Slopes

A spring of constant k, compressed a distance x, is used to launch a mass m up a frictionless slope that makes an angle "theta" with the horizontal. Find an expression for the maximum distance along the slope that the mass moves after leaving the spring? How is the expression modified when you include kinetic friction in the problem?

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#### Solution Preview

The key point of this problem is the conservation of energy.

The total energy stored in the spring after it is compressed is k*x^2/2, and it should be equal to the total potential energy of the mass when it reaches the maximum ...

#### Solution Summary

This question on the conservation of energy is answered in 140 words with calculations included and explained.

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