Problem 6.13 The point of this question is to compare rest energy and kinetic energy at high speeds. An alpha particle (a helium nucleus) is

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Problem 6.13 The point of this question is to compare rest energy and kinetic energy at high speeds. An alpha particle (a helium nucleus) is moving at a speed of 0.9998 times the speed of light. Its mass is 6.40 × 10-27 kg. (a) What is its rest energy?

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Orla Orla 6 months 2021-08-31T10:15:26+00:00 1 Answers 0 views 0

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  1. nguyetanh
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    2021-08-31T10:16:34+00:00
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    Answer: E = 5.76×10^-10 J

    Explanation: rest energy formula is given below as

    E = mc²

    m = mass of object = 6.40×10^-27 kg

    c = speed of light = 3×10^8 m/s

    E = 6.40×10^-27 × (3×10^8)²

    E = 6.40×10^-27 × 9×10^16

    E = 57.6 ×10^-11

    E = 5.76×10^-10 J

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