Asked by Kayla
Determine the power of a motor of a 1200 kg car that changes its speed from 10 m / s to 16 m / s in 3 seconds. Express the result in horsepower and consider null friction.
Answers
Answered by
Steve
a = 6/3 = 2 m/s^2
F = ma = 2400N
work = force * distance, so figure how far it went in those 3 seconds.
Power = Work/time.
convert the Watts to hp.
F = ma = 2400N
work = force * distance, so figure how far it went in those 3 seconds.
Power = Work/time.
convert the Watts to hp.
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