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Lecture21

# Lecture21 - Wave expressions v T PHYS 2101 P.M.Shikhaliev...

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Wave expressions 1 PHYS 2101, P.M.Shikhaliev LSU, Fall 2010 T v

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Sample problem 1 The equation of a wave traveling along a very long string is , where x and y are in cm, and t is in seconds. Determine (a) the amplitude, (b) the wavelength and frequency, (c) the speed and the direction of propagation of the wave, (d) the maximum transverse speed, and (e) the transverse displacement at x=3.5 cm and t=0.26s . 2 PHYS 2101, P.M.Shikhaliev LSU, Fall 2010
Sample problem 1 The equation of a wave traveling along a very long string is , where x and y are in cm, and t is in seconds. Determine (a) the amplitude, (b) the wavelength and frequency, (c) the speed and the direction of propagation of the wave, (d) the maximum transverse speed, and (e) the transverse displacement at x=3.5 cm and t=0.26s . 3 PHYS 2101, P.M.Shikhaliev LSU, Fall 2010 , (a) (b) (c) (d) (e)

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Sample problem 2 A sinusoidal wave travels along a string under tension. Figure gives the slops along the string at some time point. The scale of the x axis is set by x s =0.8 m . What is the amplitude of the wave?
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