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An artillery shell is fired at an angle of 48.1◦ above the horizontal ground with an initial speed of 1920 m/s. The acceleration of gravity is 9.8 m/s². The total time of flight of the shell is 4.9 min. Find its horizontal range, neglecting air resistance. Answer in units of km.

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An artillery shell is fired at an angle of 48.1◦ above the horizontal

ground with an initial speed of 1920 m/s. The acceleration of gravity is 9.8 m/s². The total time of flight of the shell is 4.9 min. Find its horizontal range, neglecting air resistance. Answer in units of km.

 
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