The Mach number of an aircraft that travels with a speed of 230 m/s in air at 20° C while it undergoes the compressibility effect will be: (Use speed of sound in air at 0° C: 331 m/s) Select one: a. M 0.67 b. M 0.77 c. M 0.89

The Mach number of an aircraft that travels with a speed of 230 m/s in air at 20° C while it undergoes the compressibility effect will be: (Use speed of sound in air at 0° C: 331 m/s) Select one: a. M 0.67 b. M 0.77 c. M 0.89

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter9: Relativity

Section9.4: Consequences Of Special Relativity

Problem 9.4QQ

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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

Question

The Mach number of an aircraft that travels with a speed of 230 m/s in air at 20°C
while it undergoes the compressibility effect will be:
(Use speed of sound in air at 0° C: 331 m/s)
Select one:
a. M= 0.67
b. M 0.77
c. M 0.89

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