Question

Slider's Friction Works, LLC earned its way into a world class laboratory rating with high quality and reliable friction data, measuring static coefficients to a high precision using a traditional lifting incline plane method, the coefficient of static friction measured as the tangent of angle where the studied objects slips when one end of the plane is lifted.

The experimental technique for measuring the coefficient of kinetic friction requires that a material be sent with a specified velocity across a level surface of a second material, often with a need for a long race track. In a particular case a hockey puck is instantly hit by an electronic plunger and given a velocity of 40.1 m/s, slowing to a stop on a polished oak floor in a distance of 221.7 meters. What is the coefficient of kinetic friction for hockey puck rubber and polished oak floors?  

Answer 1