Physics Puzzle: Know Thy Center of Mass!
Ok - this week you get two puzzles wrapped up in one. Here we go:
You are given an arbitrary rigid object (say, a statue of the head of Elvis ) and asked to determine/estimate the position of its center of mass without doing any calculations. You can perform any simple experiment you’d like. Can […]
Physics Puzzle: the Inverting Mirror
Here’s a nice puzzle that left me scratching my head for a while:
If you stand in front of the mirror with a shirt that has something written on it, you will see it “inverted” (left-to-right becomes right-to-left). Informally, we can say that a mirror inverts left and right. However, note that up & down are […]