Answered: An electron has a rest mass of 9.11 x…

An electron has a rest mass of 9.11 x 10-31kg. Find its mass when its speed is 0.50c, 0.9c and 0.99c. Hint: c = speed of light ≈3x108m/s.

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter1: Relativity I

Section: Chapter Questions

Problem 19P: Two spaceships approach each other, each moving with the same speed as measured by an observer on...

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Question

An electron has a rest mass of 9.11 x 10-31kg. Find its mass when its speed is 0.50c, 0.9c and 0.99c.

Hint: c = speed of light ≈3x108m/s.

Definition Definition Rate at which light travels, measured in a vacuum. The speed of light is a universal physical constant used in many areas of physics, most commonly denoted by the letter c . The value of the speed of light c = 299,792,458 m/s, but for most of the calculations, the value of the speed of light is approximated as c = 3 x 10 8 m/s.

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