Question a helium nucleus charge 2e mass 663 x 10-27 kg, Ask an Expert

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Question: A helium nucleus (charge = 2e, mass = 6.63 x 10^-27 kg) traveling at 6.20 x 10⁵ m/s enters an electric field, traveling from point circled A, at a potential of 1.50 x 10³ V, to point circled B, at 4.00 x 10³ V.

Question 1: What is its speed at point circled B?

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