A police car has a 1000hz siren it is traveling at 35ms on
A police car has a 1000Hz siren. It is traveling at 35m/s on a day when the speed of sounds through air is 350m/s. The car approaches an observer who is standing along the roadside. What change of frequency does the observer hear?
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an object undergoes simple harmonic motion with a period of 0015 s and an amplitude of 12e-2 ma what is the period of
a high-e string on a guitar has a length of 0635 meters and a mass of 251e-4 kg both of these refer only to the
a steel bar is subjected to a vibration at one end with an amplitude of 0001 meters and a frequency of 250 hz matches
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a police car has a 1000hz siren it is traveling at 35ms on a day when the speed of sounds through air is 350ms the car
a sinusoidal electromagnetic wave having a magnetic field of amplitude 150ut and a wavelength of 430nm is traveling in
an electromagnetic wave of wavelength 405 is traveling in vacuum in the direction the electric field has amplitude
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he-ne lasers are often used in physics demonstrations they produce light of wavelength 633nm and a power of 0650mw
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