3. Suppose the drag force on a truck is given by the equation: F = cqv² + c2v where c = 4.80 N and cz = 111.8 . Check that this relationship is plausible. Do the units work out? (a) Calculate the required propulsive power at a speed of 55 mi/hr. Express your final answer in Hp. Recall that 1Hp = 745.7 W. (b) Calculate the required propulsive power at a speed of 80 mi/hr. (c) Is the ratio of required powers proportional to the ratio of given speeds? Surprised? Or not?

3. Suppose the drag force on a truck is given by the equation: F = cqv² + c2v where c = 4.80 N and cz = 111.8 . Check that this relationship is plausible. Do the units work out? (a) Calculate the required propulsive power at a speed of 55 mi/hr. Express your final answer in Hp. Recall that 1Hp = 745.7 W. (b) Calculate the required propulsive power at a speed of 80 mi/hr. (c) Is the ratio of required powers proportional to the ratio of given speeds? Surprised? Or not?

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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