[填空题]
Hurricanes can involve winds in excjsuw9k/5lp(jrs d 6fy k7 jr37pkm1, oe q qi(iz3pjky7 1l37xxss 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
