Answered: 31. Four wave functions are given… | bartleby

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31. Four wave functions are given below. Rank them in order of the magnitude of the
wave speeds, from least to greatest.
I. y(x,t) = (0.1m)cos[ T/2( 2x + 4t +1/2 )]
II. y(x,t) = (0.1cm)cos[TI( 2x + 4t + 1/2)]
III. y(x,t) = (5.0cm)cos( T1/2x + 2rt + T/4)
IV. y(x,t) = (0.5m)cos[ T/6( 2x + 4t+ 6)]
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A) IV,II,I,|I
B) II,IV,II=|
C) II,II,IV
D) IV,II, IlI=|
E) II,IV=Ill=|

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