alleryStart learning →A class of dragsters can reach a top speed of 145 m/s in only 4.45 s from rest. What average acceleration does that represent?
A3.26 m/s^2
B14.5 m/s^2
C32.6 m/s^2
D145 m/s^2
Answer & Solution
Correct answer: C. 32.6 m/s^2
1. Starting from rest, delta v equals the final speed of 145 m/s.
2. a = 145 m/s / 4.45 s.
3. a = 32.6 m/s^2.
_Source: OpenStax Physics (CC BY 4.0), Ch 3 "Acceleration", section 3.2 Representing Acceleration with Equations and Graphs_
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