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Electromagnetic waves with wavelength between about 1 cm and 20 cm are called? ?
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During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
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Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?
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Electromagnetic waves with wavelength between about 1 cm and 20 cm are called? ?...
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