A 3140-lb car travels up the 4-percent incline shown. The car is subjected to a 70-lb aerodynamic drag force and a 51-lb force due to all other factors such as rolling resistance. Determine the power output required at a speed of 66 mi/hr if (a) the speed is constant and (b) the speed is increasing at the rate of 0.06g. Answers: (a) Constant speed: 100 v=66 mi/hr P= (b) Increase in speed is 0.06g: P = i hp AND hp

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 3140-lb car travels up the 4-percent incline shown. The car is subjected to a 70-lb aerodynamic drag force and a 51-lb force due to
all other factors such as rolling resistance. Determine the power output required at a speed of 66 mi/hr if (a) the speed is constant and
(b) the speed is increasing at the rate of 0.06g.
Answers:
(a) Constant speed:
100
v=66 mi/hr
P=
(b) Increase in speed is 0.06g: P =
hp
hp
Transcribed Image Text:A 3140-lb car travels up the 4-percent incline shown. The car is subjected to a 70-lb aerodynamic drag force and a 51-lb force due to all other factors such as rolling resistance. Determine the power output required at a speed of 66 mi/hr if (a) the speed is constant and (b) the speed is increasing at the rate of 0.06g. Answers: (a) Constant speed: 100 v=66 mi/hr P= (b) Increase in speed is 0.06g: P = hp hp
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