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    arya_jayan's Avatar
    arya_jayan Posts: 1, Reputation: 1
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    #1

    Feb 14, 2011, 10:08 AM
    can anyone solve this numerical?
    a wave travelling along a string is described by y(x,t)=0.005 sin(80.0x- 3.0 t. calculate the displacement y of the wave at a distance x= 30 cm and t=20 s?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Feb 14, 2011, 11:32 AM

    This is a simple substitution using the values of x and t that you've been given into the formula - as long as the units for x isupposed to be cm and t is seconds. Do the calculation and post back with what you get.
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