please help me with the 3 Disscusion Questions Make some predictions from your g

Question

please help me with the 3

Disscusion Questions

Make some predictions from your graph. If you wanted n = 3.0 wavelengths on the string. 1/n = 1/3 = 0.333, what would the value for be? How much mass would you need hanging at the end of the string? What mass would you expect to use for n = 2.0 wavelengths? Fill out the table with your predicted values. Now see how well your predictions fit experimental results. Find the mass that results in n = 3.0 wavelengths, and for n = 2.0 wavelengths. Fill in the table below with your results. For part D, explain any differences between the predicted mass and the experimental results. What factors may be the cause of the difference? A heavier string would result in more mass per unit length, giving a greater value for mu. If all other quantities were kept constant, what would happen to the wavelength if the string were heavier? Keeping all other quantities constant, what would happen to the number of wavelengths on the string if you increased the length of the string? What would happen if you decreased the length of the string?

Explanation / Answer

2)

v= sqrt(T/u)

wavelengh = v/f = (sqrt(T/u))/f

==> wavelength will decrease.

3)

The velocity and the frequency remain unchanged therefore wavelength(lamda=v/f) remain unchanged too.

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