Example 8-15: Power needs of a car. Calculate the power required of a 1400-kg car under the following circumstances: (a) the car climbs a 10° hill (a fairly steep hill) at a steady 80 km/h; and (b) the car accelerates along a level road from 90 to 110 km/h in 6.0 s to pass another car. Assume that the average retarding force on the car is F= 700 N throughout. gsin

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Example 8-15: Power needs of a car.
Calculate the power required of a 1400-kg car
under the following circumstances: (a) the car
climbs a 10° hillI (a fairly steep hill) at a steady 80
km/h; and (b) the car accelerates along a level
road from 90 to 110 km/h in 6.0 s to pass another
car. Assume that the average retarding force on
the car is F = 700 N throughout.
g sin 10
Transcribed Image Text:Example 8-15: Power needs of a car. Calculate the power required of a 1400-kg car under the following circumstances: (a) the car climbs a 10° hillI (a fairly steep hill) at a steady 80 km/h; and (b) the car accelerates along a level road from 90 to 110 km/h in 6.0 s to pass another car. Assume that the average retarding force on the car is F = 700 N throughout. g sin 10
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