It's one. A straw's base shape is a cylinder, and if you're somehow not convinced, a straw can roll on a flat surface just as a cylinder can. If you wanted to turn a cylinder into a straw, you'd have to make a hole. That hole can run from one end of the straw to the other continuously, making it a single, long hole
“Two openings, one hole.” Thank you! Dowder basically said the same thing too. So I’ll give it to him as well. This question started a huge argument at our dinner table when I was a kid back in the 90s. My dad was an engineer with a doctorate in physics and he hit us with it one night … two of us came up with that answer, which he said was the correct one. Everyone else didn’t speak to him for a while.
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It's one. A straw's base shape is a cylinder, and if you're somehow not convinced, a straw can roll on a flat surface just as a cylinder can. If you wanted to turn a cylinder into a straw, you'd have to make a hole. That hole can run from one end of the straw to the other continuously, making it a single, long hole
“Two openings, one hole.” Thank you! Dowder basically said the same thing too. So I’ll give it to him as well. This question started a huge argument at our dinner table when I was a kid back in the 90s. My dad was an engineer with a doctorate in physics and he hit us with it one night … two of us came up with that answer, which he said was the correct one. Everyone else didn’t speak to him for a while.