Abook is given a sudden push to make it slide along a desktop. if the initial speed of the slide is doubled, by what factor is the distance that the book slides changed?

a 20 kg cart is moving at 2.0 m/s when a 5.0 n force is applied for a distance of 6.0 m in the direction the car is moving. what is the kinetic energy of the cart at the end of the 6.0 m?

a 0.145 kg baseball is thrown from a platform above the ground at a 10 m/s. the ball is moving 15 m/s when it strikes the ground. from what height above the ground was the ball thrown?