A car on a level road turns a quarter circle ccw. You learned in Chapter 8 that static friction causes the centripetal acceleration. The work done by static friction is:. A. Positive
B. Equal too
C. Negative

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?