A student walks 4 blocks east, 1 blocks west, 2 blocks east and then 1 block west.
What is the total distance and total displacement traveled
by the student? (distance, displacement)

When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.

The energy produced as a result of this flow of electrons from atom to atom is called

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.