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The displacement of a particle varies ac...

The displacement of a particle varies according to relation `x=4[cos pi t + sin pi t ]`. The amplitude of the particle is

A

`-4`

B

4

C

`4sqrt(2)`

D

8

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-OSCILLATIONS-Practice exercise
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  2. The displacement equation of the particle in SHM is y = 10 sin(2 pi t ...

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  3. A particle encute SHM between x = -A and x = +A, The time taken for it...

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  4. A body executing S.H.M has maximum acceleration equal to 24m/sec and m...

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  5. The motion of a particle is expressed by the equation a = -bx where 'a...

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  6. What fraction of the total energy is K.E. when the displacement is one...

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  7. A body of mass 100gm is performing SHM with a period of 4.5sec and amp...

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  8. Ratio of average PE and average KE in SHM will be

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  9. A particle is performing SHM in a path of length 8 cm time period 4sec...

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  10. The force constant of a particle of mass 1 kg is SHM of amplitude 4 cm...

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  11. A body of mass 15 g oscillates about a fixed point with a SHM of ampli...

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  12. A simple harmonic oscillation is represented by the equation y=0.4 sin...

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  13. In a S.H.M when the displacement is one half of the amplitued, what fr...

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  14. The amplitude of SHM is 5cm , period 4sec and initial phase is pi//6....

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  15. Displacement time equation of a particle executing SHM is x=a sin (wt+...

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  16. If the displacement (x) and velocity (v) of a particle executing simpl...

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  17. Maximum velocity in SHM is V(m). The average velocity during motion fr...

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  18. The equation of motion of a particle is given by dp/dt+mo^2n=0, where ...

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  19. Two SHM 's are represented by the relations x=4 sin (80t+pi //2) and y...

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  20. A particle of mass 10gm is describing an SHM along a staight line with...

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