Question: In Figure a charged particle (either an electron or a proton) is moving rightward between two parallel charged plates separated by distance d = 2.00

In Figure a charged particle (either an electron or a proton) is moving rightward between two parallel charged plates separated by distance d = 2.00 mm. The plate potentials are V1 = ?? 70.0 V and V2 = ?? 50.0 V. The particle is slowing from an initial speed of 90.0 km/s at the left plate.

(a) Is the particle an electron or a proton?

(b) What is its speed just as it reaches plate2?

-d-

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