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There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
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Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these
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Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
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Match the correct percentage of water to the correct phrase
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