Question

3.) A 2 kg skier is going up a ski ramp at 15m/s, b but wasn't going fast enough to make it off the jump. a.) If the snow is completely b.) If the snow's coefficient of frictsion is 0.2, how high does the skier get? how high up the ramp do they get? recall, the distance up the ramp will be hisine, and the normal force-mgcoso)

Answer 1

2) Yes its true that energy is neither created nor destroyed but it can always be transferred from one form to another. So, when we say that energy is lost, it means that some energy is transformed into a form which was not intended to get as a result like heat or sound.