In a closed ring a and in an open ring magnet are falling along the x axis of thrme ring .the current generated in a and b have directions

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Does anyone have the answers to online physics course plato course physics, semester a v3.0