Monday, May 20, 2013

Surfing For Physics Formulas For Motion?

Mandy asks…Physics - Wave motion problem?I'm having trouble with the following problem:
A uniform string (T= 50N, l=2.0m, total mass 0.40kg) propagates a wave whose amplitude is 0.10m and whose period is 2.5 s. Two flies are sitting on the string at a distance of 0.20m apart.

What is the phase difference between the flies? Which one leads?

I usually got problems where I had been given y and t, and then would just plug in the values into the formula y=Acos(wt +ø) and solve for ø, however

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