You put a new battery into your MP3 player and listen to a song. What are the energy transformations taking place in this system?
O A. Kinetic energy to electric energy to sound energy to potential
energy
B. Kinetic energy to potential energy to electric energy to sound
energy
C. Thermal energy to electric energy to kinetic energy to potential
energy
D. Chemical energy to electric energy to kinetic energy to sound
energy

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n

A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature