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A long rope is fixed at one end, and the free end is made to oscillate in one plane at right angles to the rope with frequency 5Hz. The successive crests are 60cm apart. What is the speed of the waves? For what frequency would the wavelength be 0.4m?​

Answer :

Answer:

See below

Explanation:

speed = freq * wavelength

          =  5 Hz    * .6 m = 3 m/s

speed = freq * wavelength

   3      =   freq  *  .4 m         freq = 7.5 hz

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