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    Question

    A body of mass 4 kg falls freely from a height of 5 m.

    What is its kinetic energy just before it hits the ground? (Take g = 10m/s²)
    A 50 J Correct Answer Incorrect Answer
    B 100 J Correct Answer Incorrect Answer
    C 150 J Correct Answer Incorrect Answer
    D 200 J Correct Answer Incorrect Answer

    Solution

    Using KE = mgh KE = 4 x 10 x 5 =200 J

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