Recent content by redlightgreen

Homework Statement a 500 g ball moves in a vertical 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...

oh okay! thank you so much. i've got it now!

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 +...