The frequency of a steam train whistle as it approaches you
The frequency of a steam train whistle as it approaches you is 532Hz . After it passes you, its frequency is measured as 458Hz. How fast was the train moving (assume constant velocity)?
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when determining the major contributor for a resonance structure is it better to have a carbocation positive charge on
the simple harmonic motion of a 300 g mass on a spring is described by y 20 cm sin12566t at t 18 s what is the total
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how much heat is released when 75 g of octane is burned completely if the enthalpy of combustion is -5500 kjmol c8h18
the frequency of a steam train whistle as it approaches you is 532hz after it passes you its frequency is measured as
the top of a swimming pool is at ground level if the pool is 246 m deep how far below ground level does the bottom of
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calculate the amount of heat released in the complete combustion of 817 grams of al to form al2o3s at 25 degrees
the wavelength of visible light ranges from 400 to 700part a- find the ranges of this lights frequencypart b- find the
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