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y(x, t) = 0.8//[4x + 5t)^(2) + 5] repres...

`y(x, t) = 0.8//[4x + 5t)^(2) + 5]` represents a moving pulse, where `x` and `y` are in meter and `t` in second. Then

A

pulse is moving in + x direction

B

in 2 s it will travel a distance of 2.5 m

C

its maximum displacement is 0.16 m

D

it is a symmetric pulse

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