1. Children are sledding on a hill. Zak gives Sophia a push to start her off with a speed of 1.7 m/s at a vertical height of 4.6 m above the bottom of the hill. 
2. 
   
3. They are using a low- friction sled (kinetic friction = 0.04), and we will assume this sled is sliding on snow is like waxed skis on snow. 
4. 
   
5. Find the velocity of the sled at the bottom of the hill.

Answer rating: 100% (QA)

To calculate the velocity of the sled at the bottom of the hill we can use the principle of conserva... View the full answer