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Write the time domain expressions for the transverse components of the fields for TM propagation in a lossless rectangular waveguide of width a and height b (see Exercise 17.4).
Exercise 17.4
Propagation in discontinuous waveguides. Two parallel plate waveguides are connected as shown in Figure 17.24. The material between the plates is free space. Assume that both waveguides operate in TE modes only. The source on the left supplies power at all frequencies between 1 MHz and 100 GHz. What is the lowest frequency signal received at the receiver. Disregard reflections at the connection between the two waveguides.
A general aviation aircraft has a propeller with 75 inches diameter that rotates at 2300 rpm (revolution per minute). Find the Mach number at the tip when the aircraft is standing on the ground ready to take off.
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The magnitude P for which the maximum value of the bending moment is as small as possibl.
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