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Speed in a Medium

yx, t=0.84x+5...

Question

$y (x, t) = \frac{0.8}{(4 x + 5 t)^{2} + 5}$ represents a moving pulse where x and y are in meter and t in seconds. Then.

A

Pulse is moving in

+

x direction

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B

In two seconds it will travel a distance of

2.5

m

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C

It's maximum displacement is

0.16

m

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D

It's a symmetric pulse

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Solution

The correct options are
A Pulse is moving in $+$ x direction
B In two seconds it will travel a distance of $2.5$ m
D It's a symmetric pulse

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