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    Energy Problem: Find the Velocity

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    A small cube of mass m slides down a circular path of radius R cut into a large block of mass M. M rests on a table, and both blocks move without friction. The blocks are initially at rest, and m starts from the top of the path. Find the velocity v of the cube as it leaves the block.

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    Solution Preview

    When the cuble (without initial velocity) slides down a circular path without friction, it has no energy loss (right before it cuts into the block), so all potential energy is tranfered ...

    Solution Summary

    We can use the law of momentum conservation to find this solution.