Question

Select the correct answer.

The velocity of Desmond’s car changes from 20 meters/second to 10 meters/second. The change happens in 5 seconds. What’s the acceleration of the car? Use .
A.
4 m/s2
B.
2 m/s2
C.
-2 m/s2
D.
-4 m/s2

Answer 1

C

Step-by-step explanation:

V-V₀=at

a=(V-V₀)/t

a=(10-20)/5=-2 m/s²

Acceleration of the car is -2 m/s²