Q. A solid sphere rolls without slipping across a horizontal surface with an initial angular speed of 7.50 rad/s. The mass of the sphere is 5.38kg and its radius is 0.45 m. The sphere after that rolls up an incline. What is the height of the sphere above horizontal surface when it comes to a stop?
Q. A loudspeaker of mass 23m is suspended a distance of h = 1.20 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.9m.