Physics, 30.10.2020 18:20 Loganstilson9847

2. An aluminum plate has a circular hole cut in it. A copper ball (solid sphere) has exactly the same diameter as the hole when both are at room temperature, and hence can just barely be pushed through it. If both the plate and the ball are now heated up to a few hundred degrees, the ball will fit more easily. Why

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2. An aluminum plate has a circular hole cut in it. A copper ball (solid sphere) has exactly the sam...