In skee ball the player rolls a ball with initial speed v0 up a ramp that makes an angle θ with respect to the ground and that, at its end, has height h. as the ball goes up the ramp it slows down with an acceleration of magnitude a. the aim is to put the ball in a bucket, also at height h, but a distance d away from the ramp. find v0 in terms of h, θ, a, d, and the acceleration due to gravity g = 9.8 m/s2 .

Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.