http://www.ck12.org Chapter 8. Energy Conservation
Answers to Selected Problems1..
2. a. 2.3 m/s c. No, the baby will not clear the hill.
3. a. 29,500 J b. Spring has maximum compressed length of 13 m
4..
5. a. 48.5 m/s b. 128 N
6. 0.32 m/s each
7. a.29 m/s b. just barely,aC= 9 .8 m/s^2