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What Is the Uncertainty in the Position of a Helium ±\pm

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What is the uncertainty in the position of a helium atom traveling at 1360 m/s, approximately its speed at room temperature? The atom's velocity is known to about ±\pm 1%.
(1 amu = 1.66054 * 10-27 kg.)

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∆v = 2.92 *10-1...

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