Question: Two equal-mass blocks are connected by a length of string. One block is placed at rest on a very smooth table, and the other block

Two equal-mass blocks are connected by a length of string. One block is placed at rest on a very smooth table, and the other block dangles off the table’s edge. You hold the blocks so they don’t move. When released, the hanging one accelerates downward, pulling the top block horizontally across the table. Why do both blocks undergo the same amount of acceleration? Show that this acceleration ideally is one-half g.

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