Potassium atom 1 , with a mass of (6.47 times 10^{-26} mathrm{~kg}), has a speed of (1.30
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Potassium atom 1 , with a mass of \(6.47 \times 10^{-26} \mathrm{~kg}\), has a speed of \(1.30 \times 10^{4} \mathrm{~m} / \mathrm{s}\). It collides with potassium atom 2 that is at rest, exciting atom 2 to a state from which it emits a \(3.06 \mathrm{eV}\) photon as it returns to the ground state. Atom 2 leaves the collision with a speed of \(1.17 \times 10^{4} \mathrm{~m} / \mathrm{s}\). What is the final speed of atom 1 ?
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College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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