The angular velocity of a particle increases from O to `omega` as it completest x rotations .Then number of rotation completes by it when its angular

Question

The angular velocity of a particle increases from O to `omega` as it completest x rotations .Then number of rotation completes by it when its angular

The angular velocity of a particle increases from O to `omega` as it completest x rotations .Then number of rotation completes by it when its angular velocity becomes 2 `omega`.
A. `xx`
B. `2xx`
C. `3xx`
D. `4xx`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`omega _(2)^(2)- omega_(1)^(2)=2alphatheta_(1)`
`omega^(2)-0=2alpha theta_(1)`
`omega _(2)^(2)-omega _(1)^(2)=2 alpha theta _(2)`
`4 omega ^(2)-0=2alphatheta_(2)`
`(theta_(2))/(theta_(1))=(4omega^(2))/(omega^(2))=4`
`(x_(2))/(x_(1))=4`
`x_(2)=4x`

5 views Answered 2023-02-05 15:29