Two particles are executing SHM, one with angular frequency ω and the other with ′2ω′, which of the following v−x graph correctly represent simple hormonic motions of two particles of same amplitude.
A
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B
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C
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D
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Solution
The correct option is C We know that, v2=ω2(A2−x2)
For particle 1;v21=ω2(A2−x2)...(1)
For particle 2;v22=4ω2(A2−x2)...(2)
From (1) and (2) we can infer,
at, x=0;v1=±Aω;v2=±2ωA
at, x=±A;v1=0;v2=0
Hence, option (c) is correct