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Statement of a problem № 3411

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The equation of motion for forced oscillations is 2d^2x/dt^2 + 1.5dx/dt + 40x = 12 cos 4t . Find (a) amplitude; (b) phase lag; (c) Q factor; (d) power dissipation.

Solution:
The equation of motion for forced oscillations is 2d^2x/dt^2 + 1.5dx/dt  + 40x =

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