Recent content by Darth Poison

Depends, whether it is static friction on kinetic friction

Thank you for helping me realize that, I appreciate it. :D

Homework Statement A 3.0 kg metal ball is held 3.5m above the ground. Find the potential gravitational and kinetic energy of the ball after it is let go and has fallen for 0.4s Homework Equations EK= 1/2mv^2 EP=mgh The Attempt at a Solution Okay I know how to find both...