What is the direction of the impulse given to the ball

Reference no: EM13295942

A tennis ball of mass m=0.057kg and speed v=24 m/s strikes a wall at a 45 degrees angle and rebounds with the same speed at 45 degrees. What is the direction of the impulse given to the ball? upward downward to the left to the right I tried downward from yahoo but it was wrong.

Reference no: EM13295942

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