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3. Radio stations are usually identified by their frequencies. A radio
station in the middle of the FM band has a frequency of 9.9E6 Hz
Calculate its wavelength if the speed of light is 3.0E8 m/s.
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Why is there friction between objects

How is zig zagging a form of acceleration?

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?