38. The horizontal distance, d, in metres, that a football can be thrown from its release point to the v² sin 20+1.8, where u point where it hits the ground can be modelled by the equation d = 9.8 is the initial speed of the football in meres per second and is the angle relative to the horizontal at which the football leaves the quarterback's hand. If the football is thrown at 20 m/s and travels 35 m, determine the possible angles at which the football could be thrown. Give your answer to the nearest degree.
38. The horizontal distance, d, in metres, that a football can be thrown from its release point to the v² sin 20+1.8, where u point where it hits the ground can be modelled by the equation d = 9.8 is the initial speed of the football in meres per second and is the angle relative to the horizontal at which the football leaves the quarterback's hand. If the football is thrown at 20 m/s and travels 35 m, determine the possible angles at which the football could be thrown. Give your answer to the nearest degree.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Transcribed Image Text:38.
The horizontal distance, d, in metres, that a football can be thrown from its release point to the
v²
sin 20+1.8, where u
point where it hits the ground can be modelled by the equation d =
9.8
is the initial speed of the football in meres per second and is the angle relative to the horizontal
at which the football leaves the quarterback's hand. If the football is thrown at 20 m/s and travels
35 m, determine the possible angles at which the football could be thrown. Give your answer to
the nearest degree.
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