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Mathematics, 07.02.2021 14:20 wasup00

The kinetic energy of an object is given by the formula E = mv2. If m is in kg and v is in m/s, then E is in joules. What is the kinetic energy of an electron (mass = 9.1 x 10-31kg) travelling at a
fifth of the speed of light (speed of light, c = 3 x 108m/s)?

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