A particle moves in a circular path of radius r with speed v. It then increases its speed to 2,v whi

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3-2.Motion in Plane

easy

A particle moves in a circular path of radius $r$ with speed $v.$ It then increases its speed to $2\,v$ while travelling along the same circular path. The centripetal acceleration of the particle has changed by a factor of

A$0.25$

B$0.5$

C$2$

D$4$

Solution

${a_{cp}}\, \propto \,{V^2}$

Standard 11

Physics

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(AIIMS-2012)