sry.im new to all of this stuff. the length of thread is 0.80 meters. well for part A i was Thinking PE=m*g*h because it said Potential energy. I get . Part B i think you do .5*m*v^2 = mgh and solve for the velocity. The for C the tension at the top is 0 or (m*g), not to sure on that one. D i...
I need with a problem...A 0.10 kilogram solid rubber ball is attached to the end of an 0.0 meter length of light thread. The ball is swung in a vertical circle. point P, the lowest point of the circle, is 0.20 meter above the floor. The speed of the ball at the top of the circle is 6.0 meters...