A steel ball, at rest, with mass of 10g rolls down a ramp of 200m from a height of 18 meters. It takes 20 seconds to roll down the ramp. What is the initial velocity, final velocity, and acceleration of the ball?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe