Use your answers in parts (d) and (e) to get an expression for the tension in the string in terms of the speed of the ball and the length of the string. (Use the following as necessary: m, v, g and L.)

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.

What happens when you slowly pulled the carboard?

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero