The 5000 billion billion (5 × 1021) freely moving electrons in a penny repel one another. Why don’t they fly out of the penny?
Step 1 of 3
Answer : The penny has exactly 5 x 10 21freely moving electrons with the opposite charge of protons so they exactly cancel out the charge and net charge is zero.
Textbook: Conceptual Physics
Author: Paul G. Hewitt
This textbook survival guide was created for the textbook: Conceptual Physics, edition: 12. Conceptual Physics was written by and is associated to the ISBN: 9780321909107. The full step-by-step solution to problem: 22E from chapter: 22 was answered by , our top Physics solution expert on 04/03/17, 08:01AM. Since the solution to 22E from 22 chapter was answered, more than 419 students have viewed the full step-by-step answer. This full solution covers the following key subjects: billion, Penny, fly, electrons, don. This expansive textbook survival guide covers 45 chapters, and 4650 solutions. The answer to “The 5000 billion billion (5 × 1021) freely moving electrons in a penny repel one another. Why don’t they fly out of the penny?” is broken down into a number of easy to follow steps, and 24 words.