1.2) [5] The block is replaced with a ball (sphere) of the same mass, and the ball rolls without slipping. In order that the ball will have the same direction of acceleration at the place shown in the diagram where the block is, the initial height of the ball would have to be ... a) higher than the block b) the same as the block c) lower than the block d) whether higher or lower depends on whether the ball is solid or hollow answer: a C. M. velocity the Same -hal work on the back of this page