Homework Statement
A 50 g weight is swung in a circle on the end of a 90 cm long string at the speed of 5.9 m/s, what is centripetal force? [1.9 N]
Homework Equations
Vc = (2πr)\T
|a| = v^2/r
Fc = T-Fg (not sure if T is force of tension or period, my teacher,incorrectly,uses it...