What is its final kinetic energy
A proton is initially at rest at a point where the potential is 499 V. Some time later the proton is at a point where the potential is 211 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy?.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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