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A point mass oscillates along the x-acis...

A point mass oscillates along the `x-`acis according to the law `x = x_(0)cos(omegat - pi//4)` if the acceleration of the particle is written as, a `= A cos(omega + delta)`, then :

A

`A=x_(0)omega^(2),delta=3pi//4`

B

`A=x_(0),delta=-pi//4`

C

`A=x_(0)omega^(2),delta=pi//4`

D

`A=x_(0)omega^(2),delta=-pi//4`

Text Solution

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The correct Answer is:
A
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DISHA PUBLICATION-OSCILLATIONS -Exercise-1 : Concept Builder (TOPIC 1: Displacement, Phase, Velocity, Acceleration and Energy in S.H.M.)
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  4. If x, v and a denote the displacement, the velocity and the accelerati...

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  6. The amplitude of a executing SHM is 4cm At the mean position the speed...

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  7. A particle of mass 1 kg is moving in SHM with an amplitude 0.02 m and ...

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  8. If lt E gt and lt U gt denote the average kinetic and the average pote...

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  9. Suppose a tunnel is dug along a diameter of the earth. A particle is d...

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  10. A particle starts with S.H.M. from the mean position as shown in figur...

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  11. The particle executing simple harmonic motion has a kinetic energy K(0...

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  12. A body executes SHM with an amplitude a. At what displacement from the...

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  13. In S.H.M. the ratio of kinetic energy at mean position to the potentia...

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  14. Starting from the origin a body osillates simple harmonicall with a pe...

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  15. A body is executing simple harmonic motion. At a displacement x its po...

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  16. A particle of mass 10 gm is describing S.H.M. along a straight line wi...

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  17. A particle executes SHM with time period 8 s. Initially, it is at its ...

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  18. A body is in simple harmonic motion with time period T - 0.5 s and amp...

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  19. A boby is moving in a room with a velocity of 20m//s perpendicular...

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  20. Two particles P and Q describe S.H.M. of same amplitude a, same freque...

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