In the arrangement shown in Figure P14.40, an object of mass, m = 2.0 kg, hangs

Question

In the arrangement shown in Figure P14.40, an object of mass, m = 2.0 kg, hangs from a cord around a light pulley. The length of the cord between point P and the pulley is L = 2.0 m.

Figure P14.40
(a) When the vibrator is set to a frequency of 160 Hz, a standing wave with six loops is formed. What must be the linear mass density of the cord?
1.72 * 10-3kg/m

(b) How many loops (if any) will result if m is changed to 72.0 kg?
............loops

(c) How many loops (if any) will result if m is changed to 2.88 kg?
..............loops

Explanation / Answer

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