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A force of 4 dynes is present on a parti...

A force of `4` dynes is present on a particle of mass `4g` on X-axis. If it is at rest at `x = 10cm` initially, the equation for its motion is

A

`((d^(2)x)/(dt^(2)))+x = 0`

B

`((dx)/(dt))^(2) +x = 0`

C

`((d^(2)x)/(dt^(2))) +16 x=0`

D

`((dx)/(dt))^(2) +16x = 0`

Text Solution

Verified by Experts

The correct Answer is:
A
`F =- 4x, ma =- 4x, rArr (d^(2)x)/(dt^(2)) + omega^(2) x = 0`
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