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Q. AM radio signals are broadcast at frequencies between 560 kHz and 1615 kHz (kilohertz) and travel 3.0 108 m/s.

What is the range of wavelengths for these signals? (Enter the wavelengths from shortest to longest.)

Q. Two magnetic air pucks are approaching each other for a glancing blow. This time one of the pucks will have an additional mass (lead collar). Find the mass of the collar if the mass of the puck itself is 0.199kg and the mass of the second puck is 0.1995 kg.

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Category:- Physics
Reference No.:- M9221249

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