Physics, 13.12.2020 14:00, MicarriHarris6122
An electromagnetic wave traveling in a vacuum has electric field component with
maximum amplitude 100 V/m.
a) What is the intensity of this wave?
A wave with the same Emax is now formed in a vacuum cavity with two parallel,
perfectly conducting walls separated by a distance L. One standing-wave pattern in
the cavity (the nth frequency) produces nodal planes (nodes) of the electric field with a
spacing of 2 cm. The next-higher frequency standing wave in the cavity produces
nodal planes with a spacing of 1.5 cm.
b) What is the value of n?
c) What is the distance L between the walls of the cavity?
d) What is the intensity of the standing wave pattern?
Answers: 1
Physics, 22.06.2019 10:10, Kitty10101
Apair of 10ΞΌf capacitors in a high-power laser are charged to 1.7 kv. a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
Answers: 2
Physics, 22.06.2019 13:00, caleb1009
At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius Οa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature Οr of its path, both as observed by the nonrotating skydiver.
Answers: 3
An electromagnetic wave traveling in a vacuum has electric field component with
maximum amplitude 1...
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