Suppose after reaching the bottom he then continues sliding up another icy slope on the other side of the valley. When he finally comes to a stop he will have reached a height
a. equal to the height he started from on the other hill
b. less than the height he started from on the other hill
c. more than the height he started from on the other hill
d. none of the above
Question 2
A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J. He slides all the way down to the valley bottom where his gravitational potential energy becomes zero. His kinetic energy at the bottom will be
a. 0 J c. some value between 0 and 500 J
b. 500 J d. none of the above
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