a sinusoidal wave travels along a string. the time for a particular point to move from maximum displacement to zero displacement is 178 ms. the wavelength of the wave is 1.38 m. find (a) the period, (b) the frequency, and (c) the speed of the wave.
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Expert's answer
2017-11-27T13:04:06-0500
The time for a point to move from max displacement to zero displacement is 1/4 of the period So, T/4=178 ms→T=712 ms-period Frequency:ν=1/T=1.4 Hz Speed of the wave:v=λν=1.38*1.4=1458 m/s
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