# A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 68.0 kg, and the height of the water slide is 11.8 m. If the kinetic frictional force does -5.72 × 103 J of work, how fast is the student going at the bottom of the slide?

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A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 68.0 kg, and the height of the water slide is 11.8 m. If the kinetic frictional force does -5.72 × 103 J of work, how fast is the student going at the bottom of the slide?

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Step 1

Using the law of conservation of energy,

Step 2

Substituting the...

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### Friction 