A Wave Is Traveling with a Velocity of 350 M/s

question 68

Multiple Choice

A wave is traveling with a velocity of 350 m/s and strikes a surface at an angle of 30.0 degrees with the normal to the surface. The wave splits into a reflected part and a refracted part. The refracted wave travels with a velocity of 300 m/s. What is the angle of refraction?

• A) 50.4 degrees
• B) 45.2 degrees
• C) 40.4 degrees
• D) 38.4 degrees
• E) 25.4 degrees

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Definitions:

Heatstroke

A severe form of hyperthermia resulting from prolonged exposure to high temperatures, causing the body's temperature regulation system to fail.

Profuse Perspiration

The condition of sweating excessively, often unrelated to heat or exercise.

Postmortem

Pertaining to or occurring during the period after death; common term for autopsy.

Autopsy

A medical examination of a body after death to determine the cause of death or the character of the changes produced by disease.