A cannon at rest fires a 32.5 kg cannonball forward at 388 m/s. After firing, the cannon recoils at 7.42 m/s. What is the mass of the cannon? (Unit = kg)
Remember: right is +, left is -

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 metric unit of electrical power is the watt volt ampere ohm

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?