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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousMedium2 minPYQ_2015

PhysicsMediumsingle choice

The radii of circular paths of two particles of same mass are in ratio $6 : 8$ then what will be velocities ratio if they have a constant centripetal force?

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Answer:

Solution:

$Here, \frac{r _{1}}{r _{2}} = \frac{6}{8}, \frac{m _{1}}{m _{2}} = 1 \frac{F _{1}}{F _{2}} = 1 or, F_{1} = F_{2} or \frac{m _{1} v _{1}^{2}}{r _{1}} = \frac{m _{2} v _{2}^{2}}{r _{2}} or \frac{v _{1}^{2}}{v _{2}^{2}} = \frac{r _{1}}{r _{2}} \times \frac{m _{2}}{m _{1}} = \frac{6}{8} \times 1 = \frac{3}{4} ∴ \frac{v _{1}}{v _{2}} = \frac{3}{2}$

Stream:AIIMSSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2015

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