Question

A car weighing 500kg climbs up a hill of slope 1 in 49 with a velocity of 36 KMPH. If the frictional force is 50N, the power delivered by the engine is,

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Answer 1

Answer:

power = 1500 watts

p = F x v

f= wsintheta + friction

= 500x10x1/50 - 50= 100+50= 150

v= 36000/3600= 10

p= 150x10= 1500 watts