Physics--object at the bottom of an inclined plane. Need help!? A 6 kg mass has a speed of 10 m/s at the bottom of a 50 degree incline. How far up

Physics--object at the bottom of an inclined plane. Need help!?A 6 kg mass has a speed of 10 m/s at the bottom of a 50 degree incline. How far up the incline does themass slide before it stops? the coefficient of friction is 0.20 on the ramp.what is the speed of the mass when it comes back to the bottom of the plance?what percent of K + U is lost during the entire trip? (when th block goes up and then back down)