When a bow is stretched back and an arrow is shot, what type of energy conversion has occurred?
a. chemical to mechanical
b. elastic to mechanical
c. mechanical to thermal
d. mechanical to elastic

Acid rain is caused by human activity. select the best answer from the choices provided t f

Olympic skier tina maze skis down a steep slope that descends at an angle of 30∘ below the horizontal. the coefficient of sliding friction between her skis and the snow is 0.10. i found maze's acceleration which is 4.1 m/s^2. but how do you determine maze's speed 4.0 s after starting?

Abook is sitting on a table, completely still. what would happen if gravity suddenly stopped affecting the book? a. the book would move upward. b. the book would stay where it is. c. the book would fall. d. the book would move sideways.