1)The frequency of the microwaves generated in a microwave oven is 2.45x109 Hz.

Question

1)The frequency of the microwaves generated in a microwave oven is 2.45x109 Hz. Calculate the wavelength of the microwaves generated.
2) 75.0 meters of a wire has a mass of 0.400 kg. A 3.50 m long portion of this wire is stretched between two supports. Calculate the tension in the wire if the speed of waves in the wire is 15.0 m/s.
3) Two speakers are separated by a distance of 2.75 meters. They both emit a sound with afrequency of 688 Hz. What will be heard (a sound, or no sound) 4.00 m from one speaker and 5.50 m from the other speaker. (Show work.)

Explanation / Answer

wavelength of the microwaves is: = c/f = 3.0*108m/s / 2.45*109 Hz = 0.122 m wavelength of the microwaves is: = c/f = 3.0*108m/s / 2.45*109 Hz = 0.122 m wavelength of the microwaves is: = c/f = 3.0*108m/s / 2.45*109 Hz = 0.122 m

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