| Denny's Paradox |
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Information AboutDenny's Paradox |
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If Capillary Waves are assumed to generate the momentum transfer to the water, the animal's legs must move faster than the Phase Speed of the waves, given by : where is the Gee , is the strength of Surface Tension , and the Density of Water . For standard conditions, this works out to be about 0.23 m/s. Infant water striders' legs move at speeds much less than this and, according to this physical picture, cannot move. For a resolution of Denny's paradox, see Water Strider . |
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