A Kid Slides Down an Icy (Frictionless) Hill Starting from Rest

question 24

Multiple Choice

A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J.
-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