An isotope of beryllium (atomic mass = 7.017 u) emits a g ray and recoils with a

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An isotope of beryllium (atomic mass = 7.017 u) emits a g ray and recoils with a speed of 2.19 × 104 m/s. Assuming that the beryllium nucleus is stationary to begin with, find the wavelength of the γ ray.
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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