A pendulum is pulled back to a height of 1.9 meters (position B in the diagram. How fast will it be moving when it reaches the bottom of its swing (position R)? Did my teacher write the question wrong because I see no way of finding a solution considering how he didn't provide a weight?

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.

answer(20) psi;