Acar of weight20000 Newton climbs up a hill at staedy speed of 8 metre per second gaining a height of 120 in 100 seconds number 1 find the work done by the car number 2 power of engine
Answers
Answered by
2
Answer:
(a) Weight of the car (W) = 20000 N
Height = 120 m
Time taken (t) = 100 s
Work done by car = Force × displacement
= 20,000 × 120
= 2400000 KJ or 2.4 x 106J
(b) Power = work done/ time
= 2400000/100
= 24 KW
Hope it helped you....
Similar questions