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 19.5 m/s at an angle 52 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 450