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An ionized helium atom has a mass of 6.6 × 10-27 kg and a speed of...

An ionized helium atom has a mass of 6.6 × 10-27 kg and a speed of 7.1 × 105 m/s. It moves perpendicular to a 0.94-T magnetic field on a circular path that has a 0.016-m radius. Determine whether the charge of the ionized atom is +e or +2e.

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So, charge of ionized helium atom is +2e.

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