Physics
Electricity and Magnetism
(a) Assuming that only gravity is acting on it, how

(a) Assuming that only gravity is acting on it, how far does an electron have to be...

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(a) Assuming that only gravity is acting on it, how far does an electron have to be from a proton so that its acceleration is !he same as that of a freely falling object at the earth's surface?
(b) Suppose the earth were made only of protons but had the same size and mass it presently has. What would be the acceleration of an electron released at the surface? Is it necessary to consider the gravitational attraction as well as the electrical force? Why or why not?

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a IDENTIFY The electrical attraction of the proton gives the electron an acceleration equal to the a...View the full answer

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Question Posted: Mar 22, 2010 06:22 AM

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