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Grade 12IIT JEE Entrance Exam

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Profile image of Navneet Kumar
7 Years agoGrade 12
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1 Answer

Profile image of Shaswat Samaddar
ApprovedApproved Tutor Answer7 Years ago
Centripetal acceleration=v^2/R
v=wR(you can find v by substituting the value of w)
Apllying force balance equation- T-mg=m×centripetal acceleration
Put value of R=l,you have m and centripetal acceleration put it in the force balance equation.