A marksman fires a practice round from A toward a target B. If the target diameter is 270 mm and the target center is at the same altitude as the end of the rifle barrel, determine the range of "shallow" launch angles for which the round will strike the target. Neglect aerodynamic drag and assume that the round is directed along the vertical centerline of the target. (Note: The word "shallow" indicates a low-flying trajectory for the round.)

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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topic is Plane Curvilinear Motion, red is wrong

A marksman fires a practice round from A toward a target B. If the target diameter is 270 mm and the target
center is at the same altitude as the end of the rifle barrel, determine the range of "shallow" launch angles for
which the round will strike the target. Neglect aerodynamic drag and assume that the round is directed along
the vertical centerline of the target. (Note: The word "shallow" indicates a low-flying trajectory for the round.)
860 m/s
Answers: i 0.976
0
1270 m
ºses i 0.9881
B
Transcribed Image Text:A marksman fires a practice round from A toward a target B. If the target diameter is 270 mm and the target center is at the same altitude as the end of the rifle barrel, determine the range of "shallow" launch angles for which the round will strike the target. Neglect aerodynamic drag and assume that the round is directed along the vertical centerline of the target. (Note: The word "shallow" indicates a low-flying trajectory for the round.) 860 m/s Answers: i 0.976 0 1270 m ºses i 0.9881 B
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