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Repeat the calculation in Problem 4.5 for an element to corner spacing of λ.
Problem 4.5
Consider a 90° corner reflector antenna with a half-wave dipole as the driving element and an element to corner spacing of λ/2. Calculate the directivity.
A violinist places her finger so that the vibrating section of a 1.3g/m string has a length of 40.00 cm, after that she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with a wavelength of 60.0cm. What is the tens..
Find what is the maximum speed with which a 1350 kilogram car can round a turn of radius 75 meter on a flat road if the coefficient of static friction between road and tires is 0.60
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The driver of a 1740 kg car traveling on a horizontal road at 100 km/h suddenly applies the brakes. Due to a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 22.0 % of the weight of the car...
The energy released by each fission within the core of a nuclear reactor is 2.00 x 102 MeV. Determine the power (in watts) that the reactor generates
a rocket initially at rest on the ground accelerates straight upward from rest with constant acceleration 29.4 ms2. the
A space vehicle is travelling at 5800 km/h relative to the Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 74km/h relative to the command module. The mass of the motor is four times the mass of the module. What i..
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