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The resulting amplitude A' and the vebra...

The resulting amplitude `A'` and the vebrations `S = A cos (omega t) + (A)/(2) cos (omega t + (pi)/(2)) xx (A)/(4) cos (omega t + pi)`
`= (A)/(8) cos (omega t+ (3pi)/(2)) = A' cos (omega t + delta)`
are…and…respectively.

Text Solution

Verified by Experts

The correct Answer is:
`(3sqrt(5)A)/(8),tan^(-)((1)/(2))`
Figure
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