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A marksman fires a practice round from A toward a target B. If the target diameter is 240 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.) A Answers: i 845 m/s 0.01044 1510 m °<0< i 1.5604 B O

A marksman fires a practice round from A toward a target B. If the target diameter is 240 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.) A Answers: i 845 m/s 0.01044 1510 m °<0< i 1.5604 B O

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A marksman fires a practice round from A toward a target B. If the target diameter is 240 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.) 845 m/s 0 Answers: i 0.01044 1510 m °≤0≤ i 1.5604 B
Transcribed Image Text:A marksman fires a practice round from A toward a target B. If the target diameter is 240 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.) 845 m/s 0 Answers: i 0.01044 1510 m °≤0≤ i 1.5604 B
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