I need help for my homework !!!!!
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D = 100*sin(2a)/9.8
D = 100*sin(2pi/3)/9.8 ..... plug in a = pi/3
D = 100*(sqrt(3)/2)/9.8
D = 50sqrt(3)/9.8
D = 86.6025403784439/9.8
D = 8.83699391616774
D = 8.8
The approximate horizontal distance traveled is roughly 8.8 meters.