1.

Four simple harmonic vibrations x_(1) = 8 sin omegat, x_(2)=6 sin(omegat + pi//2), x_(3) = 4sin(omegat + pi)and x_(4) =2 sin(omegat + 3pi//2)are superimposed on each other. The resulting amplitude is

Answer»

20
`8sqrt(2)`
`4sqrt(2)`
4

Answer :C


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