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27 May, 19:27

What is the kinetic energy of a 2,000-kg car moving at 20 m/s?

O A. 4,000 J

O B. 40,000 J

O C. 400,000 J

O D. 20,000 J

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Answers (1)
  1. 27 May, 19:57
    0
    K. E = 1/2 mv^2

    KE = 1/2 * 2000*20^2 = 1000*400 = 400000

    option c correct
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