The linear density of a vibrating string is 1.3 ´ 10-4 kg/m3.A tra – McqOptions

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1.	The linear density of a vibrating string is 1.3 ´ 10-4 kg/m3.A transverse wave is propagating on the string and is described by the equation Y = 0.021 sin (x + 30t)where x and y are measured in meters and t in seconds. The tension in the wire is?
A.	0.12 N
B.	0.48 N
C.	1.20 N
D.	4.80 N
Answer» B. 0.48 N

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