Question: 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

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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