Mathematics, 13.12.2019 05:31, rileu2661

Tornado is formed when a tube of air circulating a horizontal axis is tilted up vertical by the updraft from a thunderstorm. if t is time, this process can be modeled by the wind velocity field f⃗ (t, x,y, z)=(cos(t)j⃗ +sin(t)k⃗ )×r⃗ and 0≤t≤π/2.

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Tornado is formed when a tube of air circulating a horizontal axis is tilted up vertical by the updr...