The displacement y of a particle in a medium can be expressed asy=10-6 sin⁡(100t+20x+π/4)Where t is in seconds and x in meter. The speed of the wave is?

The displacement y of a particle in a medium can be expressed asy=10-

1.	The displacement y of a particle in a medium can be expressed asy=10-6 sin⁡(100t+20x+π/4)Where t is in seconds and x in meter. The speed of the wave is?
A.	2000m/s
B.	5m/s
C.	20m/s
D.	5πm/s
Answer» C. 20m/s

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The displacement y of a particle in a medium can be expressed asy=10-6 sin⁡(100t+20x+π/4)Where t is in seconds and x in meter. The speed of the wave is?

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