A 3.00kg block starts from a rest at the top of a 34.5 degree incline and slides 2.00 m down the incline in 1.20s, the accelaration of the block is 2.78m/s2, what is the coefficient of kinetic friction between the block and the incline, and the frictional force acting on the block and the speed of the block after it has slod 2 m.