[填空题]
A bowling ball of mass 7.5 kg and radius 9 ayy*/k: ckostx7, t:2l seag4.0 cm rolls withog)3eun 7-zgs mkr ;we+v38rqout slipping 10 m down a lanq )83kmrngwr 7ug-o;+evezs 3e at 4.3 m/s. (a) Calculate the angular displacement of the bowling ball. rad ( fill in numbers only) (b) Calculate the angular velocity of the bowling ball rad/s ( fill in numbers only) (c) Calculate the radial acceleration of the bowling ball $m/s^2$ ( fill in numbers only) (d) Calculate the tangential acceleration of the bowling ball $m/s^2$ ( fill in numbers only)
