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A wave is described by the equation y(x, t) = 0.2 cos(4x - 5t). What is the ampl
A wave is described by the equation y(x, t) = 0.2 cos(4x - 5t). What is the amplitude of the wave?
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Q1
A wave is described by the equation y(x, t) = 0.2 cos(4x - 5t). What is the amplitude of the wave?
0.1 m
0.2 m
0.3 m
0.4 m
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The amplitude of the wave is the coefficient of the cosine function, which is 0.2 m.
Questions & Step-by-step Solutions
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Q
Q: A wave is described by the equation y(x, t) = 0.2 cos(4x - 5t). What is the amplitude of the wave?
Solution:
The amplitude of the wave is the coefficient of the cosine function, which is 0.2 m.
Steps: 4
Show Steps
Step 1: Identify the wave equation given, which is y(x, t) = 0.2 cos(4x - 5t).
Step 2: Look for the coefficient in front of the cosine function. In this case, it is 0.2.
Step 3: Understand that the amplitude of a wave is defined as this coefficient.
Step 4: Conclude that the amplitude of the wave is 0.2 m.
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