car a is heading north with a velocity of 14 m/s. car b is traveling north also, with a velocity of 19 m/s. what is the relative motion between the two cars
a. 5 m/s
b. 14 m/s
c. 19 m/s
d. 33m/s
a. 5 m/s
b. 14 m/s
c. 19 m/s
d. 33m/s