Question

The speed of a wave in a string is given by v = √(FT/μ), where FT is the tension in the string and μ = mass / length of the string. A 2.00 m long string has a mass of (A+1.50) g. A (B+25.0) g mass is attached to the string and hung over a pulley (see illustration from one of the team problems). The end of the string is then vibrated at a frequency of (125+C) Hz. Find the wavelength for the wave generated. Give your answer in centimeters (cm) and with 3 significant figures. \

A=9, B=081, C=1

Answer 1

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GNen A-3, B-81, c-L Speed of woawe Ih tnin F T V E FTTension At1s, 9+1= 10-5g 8hins'g mas 5.25 m 22 mau attached jo Mrih3, M= B+295 = 8+2s l06 in ghins Tension Mal0E X 9.8 N = 1:0388 N FT Naw wave in FT velocity tving 10388 5.2S Va 14.07 mlg reauency tn 8tna =f= 125tc Now, = 126 Hz V 14-07 11.164Cm 126 Reauid avelengthA 1 164 cm