A 50-N block hangs from a string that passes over a light frictionless.pulley. The string is connected to a vibrator of constant frequency f. A standing wave of four loops is formed on the string. If the linear mass density of the string is u 0.08 kg/m, and its length between the vibrator and the pulley is L 5 m, then the frequency of the vibrator is: vibrator L pulley W 50N %3D O 1- 75 HZ O f 10 HZ O t- 100 Hz O t- 125 Hz f= 25 Hz

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Equation of Waves

Wave is an oscillation or disturbance traveling in a medium. It performs the transportation of energy but does not carry any matter. This motion of waves will transport fuel in a medium without permanent transfer of mass (particle).