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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 Summary

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

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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 ...

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