physics
posted by aznkid .
To make a bounce pass, a player throws a 0.70basketball toward the floor. The ball hits the floor with a speed of 5.9 at an angle of 70 to the vertical.If the ball rebounds with the same speed and angle, what was the impulse delivered to it by the floor?

Your numbers need dimensions. That is one of the first things you should have learned about physics.
The impulse delivered by the floor equals the momentum change of the basketball due to the bounce. Momentum changes perpendicular to the floor only.
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