Frequency heard by the driver in the slower car
A car traveling at 30m/s overtakes another car only going 25m/s. When the faster car is still behind the slower car, it sounds a horn of frequency 1500Hz. What is the frequency heard by the driver in the slower car?
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Isotope 1 has a mass of 107.0 amu and an abundance of 55.9%. Isotope 2 has a mass of 109.0 amu. What is the atomic mass of the element?
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When 0.455g of Thyroxine is dissolved in 10.0g of benzene, the freezing point of the solution is depressed by 0.3000C. What is the molar mass of Thyroxine?
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