9136 Sun 12:19 Mastering Physics: CH16 HW2 Q https://session. mastering physics.

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9136 Sun 12:19 Mastering Physics: CH16 HW2 Q https://session. mastering physics.com/myct/itemView?assign. Physics 152B Signed in as Michaela Federico l Help l Close CH16 HW2 Problem 16.61 Resources previous l 3 of 3 I return to assignment time artile Problem 16.61 t the One end of a horizontal string that has a linear mass density of 3.5 kg/m is displaced vertically at a speed of 49 m/sfor 7.9 ms. The pulse created by this motion travels down the string at 78 m/s. Part A How much kinetic energy travels along the string? m s 1 Express your answer with the appropriate units. 7.9 m s Value J gnitude of m/s 2 or d is v 2 Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining of m/s to Provide Feedback Continue eed 29,

Explanation / Answer

it is a transverse wave motion

in transverse wave displacement and velocity are perpendiclar

so KE along the string

KE=mv2/2

here v=78 m/s

m=linear density*length

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