1. An electron moves with speed 0.94 c . a) What is the momentum of the electron

Question

1.       An electron moves with speed 0.94c.

a) What is the momentum of the electron according to Newton's mechanics? <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

     ____________________ kg m/s

       b) What is the correct value of the electron's momentum according to special relativity?

     ____________________ kg m/s

        c) Why is the value of the electron's momentum according to special relativity larger than that    predicted by Newtonian mechanics?

Explanation / Answer

a)2.56 * 10^-22

v)7.52 * 10^-22

c)because at higher speed law of conservation of momentum does not hold.it only holds for newtonian physics.

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