Aracecar is equipped with a computer that records the reading on its speedometer every second during a race. if you graph this data, what will be the best choice for the dependent variable?
a. time
b. position
c. average velocity
d. instantaneous velocity

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance