The displacement due to a wave moving in the positive x-direction is g – McqOptions

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1.	The displacement due to a wave moving in the positive x-direction is given by \[y=\frac{1}{(1+{{x}^{2}})}\] at time \[t=0\] and by \[y=\frac{1}{[1+{{(x-1)}^{2}}]}\] at \[t=2\] seconds, where x and y are in metres. The velocity of the wave in m/s is
A.	0.5
B.	1
C.	2
D.	4
Answer» B. 1

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