Multiple Choice
If y = 0.02 sin (30x − 400t) (SI units) , the velocity of the wave is
A) 3/40 m/s
B) 40/3 m/s
C) 60π/400 m/s
D) 400/60π m/s
E) 400 m/s
Correct Answer:

Verified
Correct Answer:
Verified
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