Question 3 of 9 Race car A, can accelerate from 0 m/s to some unknown velocity in 1.87 s, if the acceleration is determined to be 13.2 m/s2, what is the final velocity of car A?
(11.1 points)
A. 7.06 m/s
OB. 10.7 m/s
C. 15.4 m/s
OD. 24.7 m/s
Question 4 of 9
A starship is moving horizontally at 450 m/s, and must slow to 280 m/s in 2.3 m/s2 in order to avoid a comet's tail. What is the acceleration of this starship?
(11.1 points)
A. -73.9 m/s?
B. 73.9 m/s2
C. -53.4 m/s2
D. 53.4 m/s