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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

  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. 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. 

  3. Find the velocity of the sled at the bottom of the hill.

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