physics

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A rugby player runs with the ball directly toward his opponent's goal, along the positive direction of an x axis. He can legally pass the ball to a teammate as long as the ball's velocity relative to the field does not have a positive x component. Suppose the player runs at speed 3.3 m/s relative to the field while he passes the ball with velocity BP relative to himself. If BP has magnitude 5 m/s, what is the smallest angle it can have for the pass to be legal?

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