8. What is the sled's potential energy at each of the four points? SHOW work. A
B
C
D
9. The sled is not moving at point A. If all of the sled's potential energy at point A is conserved, what
is its kinetic energy at each of the four points? SHOW work.
Remember:
KE = 1/2mv2
KE = TME - KE
A
B
C
D
A 300 kg cart is at rest at point A. It then slides down the track and all its energy is conserved.
10. What is its potential energy at point A?