Atoms may be bonded together by losing, gaining, or sharing
a. energy
b. electrons
c. protons
d. neutrons

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.