Calculate the power required to overcome the drag. How much power does a 27 km / h head wind blow?
Calculate the power required to overcome the drag. How much power does a 27 km / h head wind blow?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A car (m = 2000kg; Cd = 0.3; Ac = 2.5m ^ 2) travels on a flat track at a speed of 100 km / h. Air: 1.2 kg / m ^ 3; u = 1.8 x 10 ^ -5 Pa.s.
a) Calculate the power required to overcome the drag. How much power does a 27 km / h head wind blow?
b) What is the power required to climb a ramp, with a 5º slope, at 100 km / h? Consider the absence of wind and neglect rolling friction. Tip: Start by calculating the force the engine has to exert.
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