Physics Practice Problems Net Work & Kinetic Energy Practice Problems Solution: An 200g object initially at rest slides 50 cm down...

Solution: An 200g object initially at rest slides 50 cm down a frictionless incline at a 40° angle. At the bottom of the slope, the object encounters a patch of rough surface, which causes it to come to a stop after 1 m. What is the coefficient of kinetic friction of this rough patch?

Problem

An 200g object initially at rest slides 50 cm down a frictionless incline at a 40° angle. At the bottom of the slope, the object encounters a patch of rough surface, which causes it to come to a stop after 1 m. What is the coefficient of kinetic friction of this rough patch?