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The amplitude of a wave disturbance propogation in the +ve X direction is given by y=1/(1+x^2) at t=0 and by y=1/[1+(x-1)^2] at t=2 sec. The velocity of wave is

2 Answers

1
lubu ·

y=\frac{1}{(1+x)^{2}} at t=0

At x=0 , y = 1 = ymax

Again

y=\frac{1}{1+(x-1)^{2}} at t = 2 sec

At x = 1m, y=1 =ymax

These two equation show that in 2sec wave pulse has moved a distance of 1 m.

so speed of wave pulse : v= 1/2 = 0.5 m/sec

1
Shahbaz Ali ·

rom the eqution displacement in x direction is 1m in 2s so
v=0.5m/s

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