Question

A race car is traveling at +50 m/s when is slows down at -10 m/s2 for 4seconds.
What is his new velocity?

Answer 1

Answer:

10m/s

Explanation:

v = u + at

u = 50 m/s , t = 4 s, a = -10m/s

v = 50 + (-10×4)

v = 50 - 40

v = 10 m /s