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MHT CET Physics question

PhysicsOscillationsMHT CET

A point mass is subjected to two simultaneous sinusoidal displacements in -direction, and . Adding a third sinusoidal displacement brings the mass to a complete rest. The values of and are

Answer: (B)

Solution

The phasors and add to (magnitude ); to cancel it, must have amplitude and

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Question ID VK-068206