A football player is preparing to punt the ball down the field. He drops the ball from rest and it falls vertically 1.0 m down onto his foot. After he kicks it, the ball leaves the foot with a speed of 19 m/s at an angle 57° above the horizontal. What is the magnitude of the impulse delivered to the ball in kilogram meters per second as he kicks it ? An american football has a mass of 445g. At what angle in degrees above the horizontal is the impulse delivered to the football?

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