Q1. A 3.00 kg block starts from rest at the top of a 28.5° incline and slides 2.00 m down the incline in 1.20 s.
(a) Find out the acceleration of the block.
(b) Find out the coefficient of kinetic friction between the block and the incline.
(c) Find out the frictional force acting on the block.
(d) Find out the speed of the block after it has slid 2.00 m.
Q2. While rearranging a dorm room, a student does 276 J of work in moving a desk 1.7 m. What was the magnitude of applied horizontal force?