A light string with a mass of 12.6 g and a length L = 2.65 m has its ends tied to two walls that are separated by the distance D = 2.05 m. Two objects, each with a mass M = 1.71 kg, are suspended from the string, as shown in the figure below. L 4 A M D L B. L M 8 If a wave pulse is sent from point A, how long (in milliseconds) does it take for it to travel to point B?
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