Question

A uniform electric field exists between two plates with opposite charges. An electron is released from rest on the surface of a charged plate negative and hit the opposite plate surface, 2 cm apart, within 1.5.10-8 seconds. (a) What is the speed of the electron when it hits second plate? (b) What is the electric field?

Answer 1

question:-A uniform electric field exists in a region between two oppositely charged plates. An electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 3.0 cm away, in a time

1.5×10−8s" role="presentation" style="box-sizing: border-box; display: inline; font-style: normal; font-weight: normal; line-height: normal; font-size: 16px; text-indent: 0px; text-align: center; text-transform: none; letter-spacing: normal; word-spacing: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">1.5×10−8s1.5×10−8s

. Just as the electron strikes the second plate, what are its (a) momentum magnitude and (b) kinetic energy? (c) What is the magnitude of the electric field

Explanation:

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