A 50-N block hangs from a string that passes over a light frictionless pulley. The string is connected to a vibrator of constant frequency f. A standing wave of four loops is formed on the string. If the linear mass density of the string isu = 0.08 kg/m, and its length between the vibrator and the pulley is L = 5 m, then the frequency of the vibrator is: vibrator < pulley W = 50N %D f = 25 Hz O f = 125 Hz O f= 75 Hz O f= 10 Hz f - 100 Hz
A 50-N block hangs from a string that passes over a light frictionless pulley. The string is connected to a vibrator of constant frequency f. A standing wave of four loops is formed on the string. If the linear mass density of the string isu = 0.08 kg/m, and its length between the vibrator and the pulley is L = 5 m, then the frequency of the vibrator is: vibrator < pulley W = 50N %D f = 25 Hz O f = 125 Hz O f= 75 Hz O f= 10 Hz f - 100 Hz
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Transcribed Image Text:A 50-N block hangs from a string that passes over a light frictionless pulley. The
string is connected to a vibrator of constant frequency f. A standing wave of four
loops is formed on the string. If the linear mass density of the string is u = 0.08
kg/m, and its length between the vibrator and the pulley is L = 5 m, then the
frequency of the vibrator is:
vibrator
K pulley
W = 50N
O f= 25 Hz
O f = 125 Hz
O f= 75 Hz
f = 10 Hz
O f= 100 Hz
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