13) A mass attached to the free end of a spring executes simple harmonic motion according to the equation y = (0.50 m) sin (18π t) where y is in meters and t is seconds. What is the period of vibration?

Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.