Calculating a Car Crash - Numberphile
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BEN SPARKS: Let's say, you're in Britain on a dual carriageway. I'm gonna try and draw this. Two lanes, and we'll both go in this direction and there's a blue car on the left, and it's going at 70 miles per hour which is the legal limit on motorways and dual carriageways in this country. BRADY HARAN: They're doing the right thing. BEN: Yeah, and so they should be. Trouble is, you could be doing the right thing, and other people on the roads might not. There's a guy overtaking the blue car. It's gonna be the red car. BRADY: It's always the red car! BEN: It's always the red car, and he's going faster. In fact, I'm gonna draw him in at the moment he overtakes and he's going -- as I'm sure it's ha...
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BEN SPARKS: Let's say, you're in Britain on a dual carriageway. I'm gonna try and draw this. Two lanes, and we'll both go in this direction and there's a blue car on the left, and it's going at 70 miles per hour which is the legal limit on motorways and dual carriageways in this country. BRADY HARAN: They're doing the right thing. BEN: Yeah, and so they should be. Trouble is, you could be doing the right thing, and other people on the roads might not. There's a guy overtaking the blue car. It's gonna be the red car. BRADY: It's always the red car! BEN: It's always the red car, and he's going faster. In fact, I'm gonna draw him in at the moment he overtakes and he's going -- as I'm sure it's ha...
