A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet pass. These passes are indicated by curves 1 and 2, respectively, in the figure (Figure 1).

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A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet pass. These passes are
indicated by curves 1 and 2, respectively, in the figure (Figure 1).
Part A
The lob pass is thrown with an initial speed of 21.4 m/s and its time of flight is 3.99 s. What is its launch angle?
Express your answer using three significant figures.
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Part B
The bullet pass is thrown with a launch angle of 29.0°. What is the initial speed of this pass?
Express your answer using two significant figures.
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m/s
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Part C
What is the time of flight of the bullet pass?
Express your answer using two significant figures.
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t =
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Figure
O 1 of 1>
Provide Feedback
y (m)
15
10
5
2
5
x (m)
25 30 35
10 15
20
Transcribed Image Text:A quarterback can throw a receiver a high, lazy "lob" pass or a low, quick "bullet pass. These passes are indicated by curves 1 and 2, respectively, in the figure (Figure 1). Part A The lob pass is thrown with an initial speed of 21.4 m/s and its time of flight is 3.99 s. What is its launch angle? Express your answer using three significant figures. Temglates Symbols undo regio feset keyboard shortcuts Help Submit Requeat Anawer Part B The bullet pass is thrown with a launch angle of 29.0°. What is the initial speed of this pass? Express your answer using two significant figures. 6 2.5 ravhoard shortouts Help Templates Symbols undo redo m/s Submit Requent Anawer Part C What is the time of flight of the bullet pass? Express your answer using two significant figures. Temglates Symbols undo redo Teset keyboard shortcuts Help t = Submit Requeet Anawer Figure O 1 of 1> Provide Feedback y (m) 15 10 5 2 5 x (m) 25 30 35 10 15 20
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