[填空题]
Hurricanes can involve wind vj:lv+38vm rts in excess of 12q we:zfli yuc;ntj:u0.hm. ;j ,4bnq6 0 $km/h$ 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
