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

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

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Neala 5 years 2021-08-07T09:41:43+00:00 1 Answers 35 views 0

Answers ( )

  1. thienan
    0
    2021-08-07T09:43:24+00:00
    Reply

    acceleration = \frac{velocity}{time} = \frac{7.5}{15} = 0.5ms^-^2

    So the answer is option b.

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