A machine does 50 J of Work on a 10 Kg Object. What is the Change in the Objects Total Energy?

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 a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?