Understanding Our Universe
Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 4, Problem 1QAP
To determine

Whether the statement is true or false.

Expert Solution & Answer
Check Mark

Answer to Problem 1QAP

The statement is false because energy cannot travel faster than 3×108m/s .

Explanation of Solution

Energy is quantitative property that cannot be created or destroyed; it can only be transferred from one form to another. Various forms of energy are potential, kinetic energy, electric energy, etc. It can travel at very high speed; sound can travel with a speed of 343m/s.

Speed of light is the fastest speed in the universe. Light can travel in any medium or vacuum; it travels at a speed of 3×108m/s in vacuum. Vacuum is a region that contains no matter in it; it means light travels fastest in the vacuum; it slows down when enter into the medium.

Therefore, nothing can travel faster than light in vacuum.

Conclusion:

Thus, the statement is false because energy cannot travel faster than 3×108m/s .

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