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Unformatted text preview: . rad/sec = 1.05 * 10^-2s What is the velocity? V= wavelength/t = 1.05/1.05 *10^2 = 100m/s What is the direction of the wave? Negative so it si in the X direction 7. What is the equation of a wave traveling to the left with amplitude 5.0 mm, angular frequency 65 rad/s, and wave number 4 rad/m? A) y (x,t)= (5.0mm)sin[(65rad/s)+(4 rad/m)x] 8. Question 3 What will be the amplitude of the resultant wave 1 second from now? D)1.3 9. Question 4 What will be the amplitude fo the wave crest when the right traveling wave reaches x=4m? D)-2.5 10. Light of wavelength 0.500 um in air enters the water in a swimming pool. The speed of light in water is 0.750 times the speed in air. What is the wavelength of the light in water? Vwater / wavelength water V water / v air = 0.750 = wavelength water/ wavelength air Wavelength water = wavelength air x 0.750 = 0.375 11....
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