How fast is car moving

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Q. How much work should be done to bring 3 electrons from a great distance apart to within 2.55E-10 m from one another (at the corners of an equilateral triangle)?

Q. A person with perfect pitch sits on a bus bench listening to the 455Hz horn of an approaching car. If the person detects a frequency of 475Hz, how fast is car moving?

Reference no: EM1383066

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How fast is car moving : How much work should be done to bring 3 electrons from a great distance apart to within 2.55E-10 m from one another (at the corners of an equilateral triangle).
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