Is it Better to Walk or Run in the Rain?
Subscribe to MinutePhysics - it's FREE! http://dft.ba/-minutephysics_sub For recent scientific publications on the walk/rain question: http://iopscience.iop.org/0143-0807/33/5/1321 MinutePhysics...
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On those cold, rainy days when you forget your rain jacket or umbrella and you wantto stay as dry as possible… should you walk and spend more time in the rain? Or shouldyou run, which means you'll be smashing into more raindrops from the side?Assuming you haven't been fully soaked yet and you aren't jumping into puddles, the answeris simple. As you move out of the way of one falling raindrop, you move into the way ofanother. So the amount of rain hitting the top of you is constant, regardless of howfast you're going. Alternatively, you can picture that the raindrops themselves arestationary and you (and the earth beneath you) are moving upwards through the rain!And since the volume of a parallelepiped (that's a 3D parallelo...
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On those cold, rainy days when you forget your rain jacket or umbrella and you wantto stay as dry as possible… should you walk and spend more time in the rain? Or shouldyou run, which means you'll be smashing into more raindrops from the side?Assuming you haven't been fully soaked yet and you aren't jumping into puddles, the answeris simple. As you move out of the way of one falling raindrop, you move into the way ofanother. So the amount of rain hitting the top of you is constant, regardless of howfast you're going. Alternatively, you can picture that the raindrops themselves arestationary and you (and the earth beneath you) are moving upwards through the rain!And since the volume of a parallelepiped (that's a 3D parallelo...
