1. An automobile radio aerial consists of three sections having diameters in., in., and in. Find the frequency of the vortex shedding when the car is traveling at 35 mph and 65 mph. 2. For problems 9.36 and 9.37 find the vortex shedding frequency. Estimate the wavelength between successive vortices. problem 9.36: Air flows over a 60 f t high circular smoke stack at a uniform speed of 30 mph. Find the total force acting on the stack if its diameter is 6 f t and the air temperature is 70°F. problem 9.37: A 0.5 in. diameter cable is strung between poles 120 f t apart. A 60 mph wind is blowing at right angles to the cable. Find the force acting on the cable due to the wind. The air temperature is 40°F.
1. An automobile radio aerial consists of three sections having diameters in., in., and in. Find the frequency of the vortex shedding when the car is traveling at 35 mph and 65 mph. 2. For problems 9.36 and 9.37 find the vortex shedding frequency. Estimate the wavelength between successive vortices. problem 9.36: Air flows over a 60 f t high circular smoke stack at a uniform speed of 30 mph. Find the total force acting on the stack if its diameter is 6 f t and the air temperature is 70°F. problem 9.37: A 0.5 in. diameter cable is strung between poles 120 f t apart. A 60 mph wind is blowing at right angles to the cable. Find the force acting on the cable due to the wind. The air temperature is 40°F.
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
Related questions
Question
1. An automobile radio aerial consists of three sections having diameters 
in., 
in., and 
in. Find the frequency of the vortex shedding when the car is traveling at 35 mph and 65 mph.
2. For problems 9.36 and 9.37 find the vortex shedding frequency. Estimate the wavelength between successive vortices.
problem 9.36:
Air flows over a 60 f t high circular smoke stack at a uniform speed of 30 mph. Find the total force acting on the stack if its diameter is 6 f t and the air temperature is 70°F.
problem 9.37:
A 0.5 in. diameter cable is strung between poles 120 f t apart. A 60 mph wind is blowing at right angles to the cable. Find the force acting on the cable due to the wind. The air temperature is 40°F.
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