Answer to Question #97729 in Physics for endekalu simon

Question

a book is given a brief push to make it slide up a rough incline. it comes to a stop and slides back down to the starting point. Does it take the same time to go up as to come down ? what if the incline is frictionless?

Answer 1

1) No, the time will be greater in the upwards path.

2) If the incline is frictionless it will take the same time to go up as to come down.