College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

Exercise 88

(a) When a disk rolls without slipping, should the product r be (1) greater than, (2) equal to, or (3) less than v CM (b) A disk with a radius of 0.15 m rotates through 270° as it travels 0.71 m. Does the disk roll without slipping Prove your answer.