Hermit
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A riddle.
An ant runs along the edges of a regular tetrahedron, and a spider runs all over its surface. The ant's speed is v. What should be the minimum speed of the spider so that it can catch and eat the ant? The answer must be explained.
An ant runs along the edges of a regular tetrahedron, and a spider runs all over its surface. The ant's speed is v. What should be the minimum speed of the spider so that it can catch and eat the ant? The answer must be explained.
Всё не так плохо как Вы думаете. Всё намного хуже!