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    Question

    What is the work to be done to increase the velocity of

    a car from 30 km h⁻¹ to 60 km h⁻¹ if the mass of the car is 1500 kg? 
    A 156250 J Correct Answer Incorrect Answer
    B 156650 J Correct Answer Incorrect Answer
    C 800 J Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Using the work-energy theorem, the work done is equal to the change in kinetic energy.

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