Homework Statement
a 500 g ball moves in a verticle circle on a 1.01 m long string. if the speed at the top is 4.3 m/s, then the speed at the bottom will be 7.62 m/s. what is the tension of the string when the ball is at the top? when is the tension of the string when the ball is at the...
Homework Statement
The 100 kg blcok in the figure takes 5.40 s to reach the floor after being released from rest. What is the mass of the block on the left?
Homework Equations
F=ma
sf=si + (1/2)(a)(delta t)
The Attempt at a Solution
I know to find acceleration you use
sf=si +...