Nan is in her backyard. She is playing with her new toy car. Nan’s toy car moves when the Sun shines on a small panel. What is the source of energy that causes the toy car to move?

The graph below represents the work done by a student while running up flights of stairs. determine the student's power output after 10 seconds: 1600 j/s 8000 j/s 160 j/s 800 j/s

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

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.