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An archer fires and arrow while standing atop a 5.15 m tall wall. The arrow is...

An archer fires and arrow while standing atop a 5.15 m tall wall. The arrow is fired at an angle of 55 degrees and has a launch velocity of 52.4 m/s. (This is the actual launch velocity for English Longbows!)

a. What is the time of flight for the arrow?
b. How far from the wall does the arrow strike the ground?
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