Engineering Board Exam Reviewer · Engineering Mechanics · easy

What is the kinetic energy of a 6 kg object moving at 5 m/s?

  1. 150
  2. 75
  3. 30
  4. 81

Answer

B. 75

Solution

KE = 1/2mv2 = 1/2(6)(5)2 = 75 J.

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