Electromagnetic energy that is invisible to the human eye is known as
a. red light.
b. blue light.
c. yellow light.
d. ultraviolet light.

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?