If Y = 002 Sin (30x − 400t) (SI Units), the Angular Frequency

question 9

Multiple Choice

If y = 0.02 sin (30x − 400t) (SI units) , the angular frequency of the wave is

• A) 30 rad/s
• B) 30/2π rad/s
• C) 400/2π rad/s
• D) 400 rad/s
• E) 40/3 rad/s

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