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Baalkrishan Ravi
Asked: 2022-11-10T21:47:29+05:30 In:

A particle executing SHM of amplitude 4 cm and `T=4 s` .The time taken by it to move from positive extreme position to half the amplitude is
A. 1 s
B. `(1)/(3)` s
C. `(2)/(3)` s
D. `sqrt((2)/(3))` s

A particle executing SHM of amplitude 4 cm and `T=4 s` .The time taken by it to move from positive extreme position to half the amplitude is
A. 1 s
B. `(1)/(3)` s
C. `(2)/(3)` s
D. `sqrt((2)/(3))` s
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1 Answer

  1. Correct Answer – C
    (c)Equation of motion , `y= a”cos”omegat`
    `implies(a)/(2)=a “cos”omegatimpliesomegat=(pi)/(3)`
    `implies (2pit)/(T)=(pi)/(3)impliest=((pi)/(3)xxT)/(2pi)=(4)/(3xx2)=(2)/(3) s`

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