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Two particles A and B are performing SHM...

Two particles A and B are performing SHM along x and y-axis respectively with equal amplitude and frequency of `2 cm` and `1 Hz` respectively. Equilibrium positions of the particles A and B are at the coordinates `[3 cm, 0]` and `(0, 4 cm)` respectively. At `t = 0 ,B` is at its equilibrium position and moving towards the origin, while A is nearest to the origin and moving away from the origin-
Equation of motion of particle A can be written as-

A

`x = (2 cm) cos 2pit`

B

`x = (3 cm) - (2 cm) cos 2 pit`

C

`x = (2 cm) sin 2 pit`

D

`x = (3 cm) - (2 cm) sin 2pit`

Text Solution

Verified by Experts

The correct Answer is:
B

As A is at its negative extreme at `t = 0`
so `x - 3 = 2 sin (2pit + 3pi//2) rArr x = 3-2 cos (2pit)`
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Knowledge Check

  • The displacement of a particle performing SHM x= 3sin 2t+4 cos 2t . The amplitude and maximum velocity of a particle respectively are………….

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  • A particle performs a SHM with amplitude of 0.01m and the frequency of its oscillation is 60 Hz. Find the maximum acceleration of a particle.

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    `144 m"/"sec^(2)`
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    `288 pi^(2) m"/"sec^(2)`
  • A particle is executing SHM along a straight line. Its velocities at distance x_(1)" and "x_(2) form the mean position are v_(1)" and "v_(2) , respectively. Its time period is………..

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