Physics - Circular Motion Question with Solution | TestHub

A$1 \mathrm{kg}$stone at the end of$1 \mathrm{m}$long string is whirled in a vertical circle at constant speed of$4 \mathrm{m} {\mathrm{s}}^{-1}$. The tension in the string is 6 N when the stone is at ($g=10 \mathrm{m} {\mathrm{s}}^{-2}$)