What is the displacement for a trip from the math classroom in Figure 2.4 to the music classroom and then to the library? What is the
distance for this trip?

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.

Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk, in meters?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.