Asked by katie
a stone of mass 1 kg is tied to the end of a string 1m long . it is whirled in a vertical circle . if the velocity of the stone at the top be 4m/s , what is the tension in the string ?
Answers
Answered by
Elena
T + mg = mv²/R
=> T = m (v²/R -g)
=> T = m (v²/R -g)
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