Posted by Dan on .
A 300 ball swings in a vertical circle at the end of a 1.2mlong string. When the ball is at the bottom of the circle, the tension in the string is 13 .
What is the speed of the ball at that point?

Physics 
bobpursley,
tension at bottom= mg+mv^2/r solve for v.

Physics 
JJ,
6.34