An alpha particle (the nucleus of a helium atom) has a mass of 6.64 x 10-27 kg

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An alpha particle (the nucleus of a helium atom) has a mass of 6.64 x 10-27 kg and a charge of + 2e. What are the

(a) Magnitude and

(b) Direction of the electric field that will balance the gravitational force on the particle?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 20, 2011 02:55 AM

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An alpha particle (the nucleus of a helium atom) has a mass of 6.64 x 10-27 kg

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a Vertical equilibrium of forces leads to the equality qE mg ...View the full answer

Fundamentals of Physics

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