11. [-/10 Points] DETAILS SERCP11 13.4.P.022. An object moves uniformly around a circular path of radius 17.0 cm, making one complete revolution every 1.65 s. (a) What is the translational speed of the object? m/s (b) What is the frequency of motion in hertz? Hz (c) What is the angular speed of the object? rad/s6. [-/5 Points] SERCP11 13.CQ.003. ASK YOUR TEACHER PRACTICE ANOTHER The spring in the figure below is stretched from its equilibrium position at x = 0 to a positive coordinate X0. M:>M'l> ',_,1: i'iH'HiiH I 0 I I Fn The force on the spring is F0 and it stores elastic potential energy PEsO' If the spring displacement is quadrupled to 4x0, determine the ratio of the new force to the original force, F 0 , and the ratio of _ _ . _ PE the new to the original elastic potential energy, P55". 50 HINT F (a) the ratio of the new force to the original force, F_" E PE (b) the ratio of the new to the original elastic potential energy, 5" 550 :]