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What is the velocity of a wave travelling 28m/s with 300 Hz​.

Sagot :

Answer:

A particular AM radio station uses a wavelength of 250 metres. What frequency do we need to tune our receiver to in order to hear the broadcast?Radio waves travel at the speed of light, so in this case v is equal to 299,792,458 metres per second (m/s). Putting these figures (without commas) into the calculator above shows that we need to tune the radio receiver to 1199.2 kHz (or 1.1992 MHz), which is around the middle of the medium wave (MW) band