Aplayer kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. how long was the ball in the air?

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 are two different ways you could find the value of a? explain these methods.

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?