Please help with B and C!! A sin usoidal wave moving along a string is shown twi

Question

Please help with B and C!!

A sin usoidal wave moving along a string is shown twice below, as crest A travels in the positive direction of an x axis by distance d = 2.5 cm in 60.0 ms. The tick marks along the axis are separated by 5.0 cm. The wave equation is of the form below. y(x,t) = ym sin (kx plusminus omega t) What is ym? What is k? What is omega? What is the correct choice of sign in front of w? Do you see that amplitude is the maximum displacement from the equilibrium (or zero) position and that the wavelength is the distance along the x axis until the pattern begins to repeat itself? Do you recall that speed is distance divided by time? How is the speed related to the angular wave number and the angular frequency?

Explanation / Answer

b)k=10p

=31.41 radm^-1

c)speed=0.025/(0.06)

=0.41667

so, w=kv

=13.0899 rad/s

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