February 25, 2017

Homework Help: physics

Posted by Anonymous on Wednesday, July 11, 2012 at 12:52pm.

The electron gun in a television tube
is used to accelerate electrons with mass
9.109 × 10−31 kg from rest to 3 × 107 m/s
within a distance of 4.7 cm.
What electric field is required? The funda-
mental charge is 1.602 × 10−19 C.
Answer in units of N/C

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