A skateboard travels for 7.61 s at 48.7 m/s. How far did the skate board move during this time?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline