Recent content by missphysics12

Potential and Kinetic energy problem! Homework Statement im still stuck on the assignment: is the potential energy of a marble at the top of a ramp the same as the kinetic energy of the marble at the bottom of the ramp. I don't know the co-efficient of friction of wood but our teacher has...

need urgent helllllp! im in year 12 at the moment and our new physics teacher has set us an assignment. it is very deceptively simple he informs us. it reads: does a marble at the top of a ramp convert all of its potential energy up the top, into kinetic energy at the bottom of the ramp...or...