Asked by Derrick

A 0.4kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3 m on a frictionless horizontal surface. If the cord will break when the tension in it exceeds 65 N, what is the maximum rpm(revolution per minute) the ball can have?

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Answers

Answered by Elena
T=F=mv²/R=mω²R
ω=sqrt(T/mR)
f=ω/2π
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