Two Waves,one with Amplitude a and the Second with Amplitude $\circ$

question 79

Multiple Choice

Two waves,one with amplitude A and the second with amplitude 2A,are out of phase by 180 ^$\circ$ .The resultant intensity is

• A)zero
• B)A
• C)A²
• D)2A²
• E)(3A)²

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Definitions:

Great Strike

A significant labor strike, often referring to the first nationwide railroad strike in the United States in 1877.

Federal Governments

A system of government where power is divided between a central authority and smaller political units, such as states or provinces.