I need help with physics problems

Physics
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Dec 9th, 2015

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10. a.slow

[since,the time period of oscillation increases ]

11.

[dx/dt]max = 4*3pi sin[...] = 12pi m/s

[since,max value of sin[..] =1]

12.

option D

since,crests and troughs are formed in longitudinal waves



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Dec 9th, 2015

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