Question

A driver starts his parked car and within 4.6 seconds, reaches a velocity of 15.0 m/s. What is his acceleration?

Answer 1

Here you are my friend the answer is clear but i will work it out for you.....

Acceleration

=

0.00333

km/

sec

2

Explanation:

Acceleration = velocity/time

The direction is irrelevant.

We just need to make the units consistent.

60

km

hr

×

hr

60

min

×

min

60

sec

=

0.01667

km

sec

Acceleration

=

0.01667

km

sec

5

sec

=

0.00333

km/

sec

2