Nigel travels to his grandpa's house that is 1.600 miles west. If it takes Nigel 25 hours to get there, what is Nigel's velocity?

In which of the following is positive work done by a person on a suitcase

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Distinguish between linear momentum and angular momentum