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A spool of wire 150 m long has a mass of 0.190 kg when weigh on a scale. This string is used to set up a standing wave laboratory demonstration between two posts 3.0 m apart.
Part A
If the desired second harmonic frequency is 75 Hz, what should be the required string tension?
Express your answer using two significant figures.
Fr=
hmit Benunst Answer
N

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