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Physics, 22.07.2019 02:01 issagirl05

1.) the radio wave from a station broadcasting at 1.3×10^6 hz has a wavelength of 230 m. what is the wave's speed? 2.) a wave has a frequency of 575 hz. what is its period? 3.) a humming bird feeder is tied by a rope to a tree branch. you notice that in a gentle breeze, the feeder moves back and forth 15 times in 1 minute. how long is the rope?

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1.) the radio wave from a station broadcasting at 1.3×10^6 hz has a wavelength of 230 m. what is the...
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