The observed frequency of a train whistle is 475hz as it
The observed frequency of a train whistle is 475Hz as it approaches a stationary observer and is 410Hz as it recedes. Find the frequency heard by a passenger on the train.
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The observed frequency of a train whistle is 475Hz as it approaches a stationary observer and is 410Hz as it recedes
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A gas has a mass of 0.305 g, volume of 25 ml at 2 ATM and 0 degrees Celsius. The gas consists of bromine and fluorine. What is the molecular weight and the chemical formula
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