Question

    Calculate the kinetic energy of a body of mass 5 kg

    moving with a velocity of 4 m/s.
    A 40 J Correct Answer Incorrect Answer
    B 20 J Correct Answer Incorrect Answer
    C 50 J Correct Answer Incorrect Answer
    D 80 J Correct Answer Incorrect Answer

    Solution

    KE = ½ mv² = ½ × 5 × 4² = ½ × 5 × 16 = 40 J

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