A 5 kg ball is dropped from a height of 12.8 m above one end of uniform bar that pivots at its center. The bar has mass 7.5 kg and is 4 m in length. At the other ned of the bar sits another 5 kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision. How height will the other ball go after the collision ?

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

a is the best answer your welcome