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A sinusoidal transverse wave of wavelength 18 cm travels along a string in the positive direction of an x axis. The displacement y of the string particle at x= 0) is given in Fig. 16-41 as a function of time t. The scale of the vertical axis is set by y_1= 4.0 cm, The wave equation is to be in the form y(x,t)= y_(nI) sin(kx pm omega t+phi). (a) At t= 0), is a plot of y versus x in the shape of a positive sine function on a legative sinc function? What are (b) y_(nI) (c) k, (d) omega (e) phi, (f) the sign in front of omega, and (g) the speed of the wave? (h) What is the transverse velocity of the particle at x=0 when t=5.0 s? |
Answer» SOLUTION :(a)  (c) 4.0 cm, (c) 0.35 rad/cm, (d) 0.63 rad/s (e) pi (f) The SIGN is minus since the wave is TRAVELLING in the (H) -2.5cm/s |
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