Engineering Board Exam Reviewer · Engineering Mechanics · easy

A car starts with an initial velocity of 7 m/s and accelerates uniformly at 4 m/s2 for 5 seconds. What is its final velocity?

  1. 27
  2. 140
  3. 11
  4. 20

Answer

A. 27

Solution

v = v0 + at = 7 + (4)(5) = 27 m/s.

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