Q56. A car is driven along a level road. The total energy input from the petrol is 60kJ and the car wastes 45kJ of energy. What is the efficiency of the car?Physics — Work, Power and Energy — Question 56 of 238A. 25%B. 15%C. 45%D. 75%Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →