The coefficients of friction between the 34-lb block and the 5-lb platform BD are pa=0.50 and pk 0.40. Determine the accelerations of the block and of the platform immediately after wire AB has been cut. (Round the final answers to one decimal place.) B C 30° 30 lb D lb 18 in The acceleration of the block is 30 The acceleration of the platform is s² 30° References eBook & Resources