A football is thrown due north across a 40 meter river and it takes 2 seconds to cover that distance. 10. What is the speed of the football in meters per second?

11. What is the velocity of the football in meters per second?

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.

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

The amount of potential energy possessed by an elevated object is equal to what?