Question

A 60-kg skier starts at the top of a 10-meter high slope. At the bottom, she is traveling 10 m/s. How much energy does she lose to friction?

5,880 J

2,880 J

She doesn't lose any because mechanical energy is always conserved.

3,000 J

Answer 1

The answer to your question would be B.) 2,880 J

Answer 2

2,880 J

Consider the difference between the initial and final mechanical energy values.