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OpenStudy (anonymous):
An electron is accelerated in a cathode ray tube and moves at a velocity of 3.0*10^6 km/hour. Calculate the kinetic energy of the electron.
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OpenStudy (anonymous):
How do I go about solving this problem?
OpenStudy (anonymous):
Hint: The mass of an electron is 9.1 x 10^-31 kg. The velocity needs to be converted to m/s. The kinetic energy equation doesn't change.
OpenStudy (anonymous):
k = 1/2mv^2, mass is given above, and you have velocity
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