[填空题]
A bowling ball of masgc,varsu3:kr y(frc: s*5o dfz m:0s0s 7.5 kg and radius 9.0 cm rolls w6(weou4gbrgn;5 0levqln3 h8ithout slipping 10 m down a lane at 4.3 m/s(qgn6;05lvhb ouw g8 r4eenl3. (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)
