[填空题]
Hurricanes can involve wi f3hf0m)k o)k45uibh,rb ( 7kng lcf)hnds in ez p(4g-g2 2y. . c8gnbwngnxbyxcess of 120 $km/h$ at the outer edge. Make a crude estimate of (a) the energy, $ \times10^{16 }$ J (b) the angular momentum, of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 $kg \cdot m^2$) of radius 100 km and height 4.0 km. $ \times10^{20 }$ $kg \cdot m^2$
Post time 2025-2-18 20:00:22
