A stone of mass 40g is tied to the end of a string 50cm long such that it is 20m above the ground at its...

A stone of mass 40g is tied to the end of a string 50cm long such that it is 20m above the ground at its lowest level as shown in the diagram below. It is whirled in a vertical circle at 2rev/s.

(i) If the string breaks at its lowest level as shown, what is the velocity with which it travels?
Calculate the maximum tension in the string.
(ii) Calculate the maximum tension in the string.
(iii) Determine the maximum horizontal distance it travels from the breaking point

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iii).
t² = 4 t = 2s ? = 12.566m

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sharon kalunda answered the question on September 6, 2019 at 10:06

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