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9 May, 07:12

A car has a speed of 2 m/s and a mass of 1500 kg. What is the cars kinetic energy?

A. 4500 J

B. 3000 J

C. 1500 J

D. 6000 J

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Answers (2)
  1. 9 May, 07:24
    0
    B

    Explanation: The answer is B because the defining equation for kinetic energy is E=mv^2 / 2

    e = (1500kg) (2 m/s) ^2 / 2

    e = 6000 J / 2

    e = 3000 J = 3000 Joules
  2. 9 May, 07:27
    0
    B

    Explanation:

    E = mv² / 2

    E = (1500kg) (2 m/s) ² / 2

    E = 6000 J / 2

    E = 3000 J
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