Figure 24-60
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Homework 24.59
In Fig. 24-60, a charged particle (either an electron or a proton) is moving rightward
between two parallel charged plates separated by a 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 reached plate 2?