Which involves reflection of light waves?

a) a full moon shows sunlight bouncing off the moon's surface and traveling toward earth.

b) ultraviolet waves of energy are taken in by sunburned skin.

c) a black car will heat up more in the sun than a lighter colored car.

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.