An engine accelerates car of 800 kg to a speed of 72 km/h. if the frictional force is 10 n per tonne. find the power developed
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Mass = 800 kg= 0.8 tonnes
Acceleration = 72 KMPH = 20 m/s
F = MA
= 0.8*20
= 16 N
Acceleration = 72 KMPH = 20 m/s
F = MA
= 0.8*20
= 16 N
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