Physics homework question? Need help

Posted on 2014-12-24 05:09:00 in Physics by AYAN

a. Before the teammates jump in, they push the bobsled (m = 100 kg) from rest to a speed of 6 m/s. How much kinetic energy does the bobsled gain? (3 points)

b. How much work did the bobsled team do? Explain how you found the answer. (3 points)

c. If the teammates pushed the bobsled a distance of 8 m, how much force did they apply? (3 points)

d. Later, the bobsled is racing down the track at a speed of 20 m/s. With the team in it, the bobsled has a total mass of 325 kg. How much work must be done by friction to slow down the bobsled to 17 m/s? (3 points)

---

Answer Comment

No Answers Posted Yet.