Homework Statement
A square plate of edge length 9.0 cm and negligible thickness has a total charge of 6.3 x 10-6 C.
(a) Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm) by assuming that the charge is spread uniformly over the...
You lost me in the last sentence. I understand your response until the sentence ending with "destructive interference." How did you come up with .32m for the wavelength?
I played around a bit more and here's what I've figured out since posting. Also added this to the original post:
Phase...
Please help! I've been stuck on this for a very very long time :confused: .
Homework Statement
Two loudspeakers, separated by a distance of d1 = 1.60 m, are in phase. Assume the amplitudes of the sound from the speakers are approximately the same at the position of a listener, who is d2 =...