The sinusoidal wave shown in the figure below is traveling in the positive x- di

Question

The sinusoidal wave shown in the figure below is traveling in the positive x- direction and has a frequency of 14.5 Hz. 30 cm (a) Find the amplitude. cm (b) Find the wavelength. cm (c) Find the period. (d) Find the speed of the wave. m/s Need Help? Talk to a Tutor Show My Work (Optional) 6 Question Details SerCP8 13.P004 My Notes Ask Your T A load of 80 N attached to a spring hanging vertically stretches the spring 5.0 cm. The spring is now placed horizontally on a table and stretched 9 cm. (a) What force is required to stretch the spring by that amount? (b) Plot a graph of force (on the y-axis) versus spring displacement from the equilibrium position along the x-axis. (Do this on paper. Your instructor may ask you to turn in this graph.)

Explanation / Answer

As per chegg guide line I am doing frist problem, kindly repost remianing questions

(a)amplitude is nothing but the maximum displacemnt from the mean position

A= 8.26 cm/2 = 4.13 cm

(b)

wavelength = 2 ( 5.20 cm) = 10.4 cm

(c)

T = 1/f = 1/14.5 =0.0689 s

(d)

speed of the wave is

v = lamda f = ( 10.4* 10^-2) ( 14.5 Hz)

=1.508 m/s

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