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
5,880 J
2,880 J
She doesn't lose any because mechanical energy is always conserved.
3,000 J