Q: A car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/hour in 5 s. The average power of the engine during this period in watts is (neglect friction)
(a) 2000 W
(b) 22500 W
(c)5000 W
(d) 2250 W
Ans: (b)
Science|Math|Engineering
Q: A car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/hour in 5 s. The average power of the engine during this period in watts is (neglect friction)
(a) 2000 W
(b) 22500 W
(c)5000 W
(d) 2250 W
Ans: (b)