A stone of mass 0.3kg is tied to a string of length 0.75m and is swung in a horizontal circle with speed v. The string has a breaking-point tension…

A stone of mass 0.3kg is tied to a string of length 0.75m and is swung in a horizontal circle with speed v. The string has a breaking-point tension of 50N. What is the largest value v can have without the string breaking? Ignore any effects due to gravity.

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