Question

1a. You start out by driving 271 miles south in 2 hours and 15 minutes, and then you stop and park for a while. Finally you drive another 255 miles south in 3 hours and 55 minutes. The average velocity for your entire trip was 2.08 miles per hour to the north. How much time did you spend parked?

b. A rocket-powered sled moves along a track, eventually reaching a top speed of 190 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 1.35 s. What was the sled s average acceleration and velocity during the slowdown phase?

Answer 1