Commercial trucks cause about 18,000 lane-change and merging accidents per year in the United States. To prevent many of them, a

Question

Commercial trucks cause about 18,000 lane-change and merging accidents per year in the United States. To prevent many of them, a warning system covering blind spots is being developed. The system uses electromagnetic waves of frequency 2.4x100Hz. What is the wavelength of these waves? Answer:

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