A racecar driver accelerates many times during a race. If a driver accelerates from 70m/s to 100m/s in 1.5 seconds before making a turn, what is the acceleration on the driver?

A. 30ms2

B. - 30ms2

C. 20ms2

D. - 20ms2

Question

Lina Gordon

8 April, 17:21

+4

Answers (1)

Know the Answer?

Broderick · Answer 1

A = (vf-v₀) / t

dа ta:

vf=100 m/s

v₀=70 m/s

t=1.5 s

a = (100 m/s - 70 m/s) / 1.5 s=30 m/s / 1.5 s=20 m/s².

answer: C. 20 m/s²

A racecar driver accelerates many times during a race. If a driver accelerates from 70m/s to 100m/s in 1.5 seconds before making a turn, what is the acceleration on the driver?A. 30ms2B. - 30ms2C. 20ms2D. - 20ms2