A body's velocity changes from 30 m/s to 0 m/s over 90 m. Its acceleration is:

  1. -10 m/s^2
  2. 5 m/s^2
  3. -5 m/s^2
  4. -2.5 m/s^2
Answer

C) -5 m/s^2

a = v^2 - u^22s = 0 - 9002(90) = -5 m/s^2. SLO P-11-B-04 · Application

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