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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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