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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

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
asked 30.2k views
3 votes
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

asked
User Jan Miksovsky
by
8.3k points

1 Answer

5 votes


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

So the answer is option b.

answered
User Adam Fowler
by
8.5k points
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