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At a particular instant, a stationary observer on the ground sees a package falling with a speed v_(1) at an angle theta to the vertical. To a pilot flying horizontally with a constant speed v relative to the ground, the package appears to be falling verically with a speed v_(2) (at that same instant). The speed of the pilot relative to the ground (v) is |
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Answer» `(V_(1)^(2)+v_(2)^(2))^(1//2)` |
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