[填空题]
A bowling ball of mass 7.5 kg and radius 9.0 cm r+gh k1mmi6o 8weyh /u,4zlhp(olls without slippinle7(rezj6.0spvz t ao*0 blokr/2u z*g 10 m down a lane at 4.3 m/tvropl 2 bze67*.jzou( 0a*sr z /l0eks. (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)
