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Question

Kinetic energy of a particle moving along a circle of radius R depends on the distance covered as `T = ks^2` where k is a constant . Find the force acting on the  particle as a function of s 


Options:
A .  `(2k)/(s) sqrt(1 + (s/R)^2)`
B .  `2ks sqrt(1 + (R/s)^2)`
C .  `2ks sqrt(1 + (s/R)^2)`
D .  `(2s)/(k) sqrt(1 + (R/s)^2)`
Answer: Option C



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