Awaveform travels in space at a rate of approximately 300 million meters per second. the wavelength of a sine wave is the actual distance in space that is used by one sine wave as it travels. what is the wavelength of a 100-mhz sine wave? what is the wave- length of a 500-mhz sine wave? antennas to send and receive electromagnetic waves are often sized to be one-half of the wavelength for the particular wave being used. compare your previous calculations to the size of vhf and uhf television antennas. how large would a 1/2 wavelength antenna have to be to transmit a 60-hz wave?
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Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
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Awaveform travels in space at a rate of approximately 300 million meters per second. the wavelength...
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