A tornado is simulated by a line sink m = €“1000 m2/s plus a line vortex K = +1600 m2/s. Find the angle between any streamline and a radial line, and show that it is independent of both r and θ. If this tornado forms in sea-level standard air, at what radius will the local pressure be equivalent to 29 in Hg?

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1.20 T θ 58" 1.00 .80 0.60 0.40 0.20 0.50 1.00 1.50 2.00 0.20