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Question
An electron (m= 9.11 x10-31kg) has a momentum of 1.3x10-21kg .m/s. Its kinetic energy is:
A) 6.3 x10-14J
B) 8.2 x10-14J
C) 1.5x10-13J
D) 3.2x10-13J
E) 4.0x10-13J
Answer
This answer is hidden. It contains 1 characters.
Related questions
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In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
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