Asked by John Dagle
If an automobile engine delivers 45.2 hp of power, how much time will it take for the engine to do 5.40 105 J of work? (Hint: Note that one horsepower, 1 hp, is equal to 746 watts.) in seconds
Answers
Answered by
Henry
P = 45.2hp * 746W/hp = 33,719. Watts =
33,719 Joules/s.
t=(5.4*10^5J/3.3719*10^4J) * 1s.=16.0s.
33,719 Joules/s.
t=(5.4*10^5J/3.3719*10^4J) * 1s.=16.0s.
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