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9. An quarterback launches a football to a receiver with an initial velocity of 5 m/s....

9. An quarterback launches a football to a receiver with an initial velocity of 5 m/s.

(a) At what angle must the ball be launched so that it clears the furthest horizontal distance?

(b) How long does it take to clear the furthest horizontal distance?

(c) What is the furthest horizontal distance the ball reaches?

(d) How high did the ball get before heading back down?

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