A ball is thrown vertically upward with a velocity of 10 m/s. Calculate the maximum height reached by the ball before it returns to the ground. (g = 10 m/s2)How much work is done in pulling a box, on the ground, for 20 meters with a force of 20 Newtons making an angle of 10 with the ground?When a car's speed changes from 30 m/s to 15 m/s, its kinetic energy?Calculate the work done in pulling a box of 50 Kg up a 20 frictionless incline plane of length 15 m at a constant speed.
