# Question: a When a disk rolls without slipping should the product

(a) When a disk rolls without slipping, should the product be (1) greater than, (2) equal to, or (3) less than vCM?

(b) A disk with a radius of 0.15 m rotates through 270° as it travels 0.71 m. Does the disk roll with-out slipping? Prove your answer.

(b) A disk with a radius of 0.15 m rotates through 270° as it travels 0.71 m. Does the disk roll with-out slipping? Prove your answer.

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