Homework Answers
velocity of wave = sqrt[(tension in string) / (mass density of
string)]
v = sqrt(T/
Speed of the wave is
v = sqrt ( T / (M/L ) )
= sqrt ( (90 N ) (1.9 m ) / ( 2.1*10^ -3 ) )
= 285.35 m/s
fundamental frequency on the string is
f = v / 2 L
= 285.35 / 2 ( 1.9 m )
= 75.09 Hz
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