A squore plate slides between two distance between it fixed reference and according to the law xp (k) = 7+ + 4t (em). On thin tube of ra dins R = 30cm according to the law absolute velocity of the ball m a little ball Find the 4 7 a 0 xp M { acceleration a is at nest on horizontal surface A body of mass The friction coefficient between the body and the surface is equal with M= 0.15. Assuming g = 10 m/s, find the magnitude of the that with the horizontal force F R m = Figure 3 h horizontal guides so that the 0, xiy, changes with time > installed on the glate moves 0M = ort) = (2+ +3+) (am). at t=1 / see figure a = 4.5 m/s a applied to the body, (see figure 4). m () 3 Figure 4 moves i