Question

A vehicle reaches a speed of 7.5 m/s over 15 seconds. What is its acceleration if it

starts from rest?
a. -0.5 m/s2
b. 0.5 m/s?
c. 2 m/s?
d. 22.5 m/s2

Answer 1

`acceleration = (velocity)/(time) = (7.5)/(15) = 0.5ms^-^2`

So the answer is option b.