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A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet" pass. These passes are indicated by curves 1 and 2, respectively, in the figure . The lob pass is thrown with an initial speed of 21.4 and its time of flight is 3.99 . What is its launch angle? The bullet pass is thrown with a launch angle of 23.0. What is the initial speed of this pass? What is the time of flight of the bullet pass?

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