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(a) writ the expression for y as a funct...

(a) writ the expression for y as a function of x and t for a sinusoidal wave travelling along a rope in the neagative x direction with the folllowing characteristics: A =8.00 cm , `delta=80.0 cm,f=3.00 Hz`, and `y(0,t)=0 at t=0`, (b) write an expression for y as a function of x and t for the wave in part (a) assuming that y(x,0)=0 at the point x=10.0 cm.

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