Engineering Board Exam Reviewer · Physics · medium

A car accelerates uniformly from rest to 25 m/s in 10 s. What is its acceleration?

1. 250 m/s2
2. 0.4 m/s2
3. 25 m/s2
4. 2.5 m/s2

Answer

D. 2.5 m/s2

Solution

a = v/t = 25/10 = 2.5 m/s2.

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