Question

4. A tiny stone of mass 20 g is tied to a practically massless, inextensible flexible
string & whirled along vertical circle. Speed of stone is 8 m/s, when the
centripetal force is exactly equal to the force due to the tension.
Calculate the minimum and maximum kinetic energies of the stone during the
entire circle. Let 0 = 0º be the angular position of the string when the stone is at
the lowermost position. Determine the angular position of the string, when the
force due to tension is numerically equal - 10 weight of the stone .
(use g = 10 m/s' & length of string = 1.8 m)
about an gyis nassing throuoh it's centre and​

Answer 1

Answer:

use the formula c=n/v

you will get the answer

and don't forget ti write the units