A100 kg roller coaster car is located at the top of a hill where the height is 20 m. what is the velocity when it reaches the bottom of the hill?

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Which of the following is an example of units for speed