The initial velocity of a car moving on a straight road is 2.0 m s^-1 and becomes 8.0 m s^-1 after travelling for 2.0 s under constant acceleration. What is the acceleration?

3.0m/s^2

Explanation:

change in velocity

8m/s - 2m/s

=6m/s

then divide by the time

6m/s ÷ 2.0 m/s

therefore the acceleration is

3m/s^2

grav potential energy

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