Q.30. A body is moving along, a circular path with a constant speed. It has centripetal acceleration (a). If its speedis doubled, the ratio of it's acceleration after and beforethe changeis given by.

Q.30. A body is moving along, a circular path with a constant speed.

1.	Q.30. A body is moving along, a circular path with a constant speed. It has centripetal acceleration (a). If its speedis doubled, the ratio of it's acceleration after and beforethe changeis given by.
Answer» Rv 12 a 2 = R(2v 1 ) 2 = R4v 12 ∴ a 2 a 1 = 41 ⇒ a 1 a 2 =4:1Hence,optionCiscorrectanswer.

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Q.30. A body is moving along, a circular path with a constant speed. It has centripetal acceleration (a). If its speedis doubled, the ratio of it's acceleration after and beforethe changeis given by.​

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Q.30. A body is moving along, a circular path with a constant speed. It has centripetal acceleration (a). If its speedis doubled, the ratio of it's acceleration after and beforethe changeis given by.