A projectile is fired vertically from point A with an initial speed of 220 ft/sec. Relative to an observer located at B, at what times (find two times ty « t2) will the line of sight to the projectile make an angle of 38 with the horizontal? Compute the magnitude of the speed of the projectile at each time, and ignore the effect of aerodynamic drag on the projectile. 220 ft/sec B. 38 545 Answers: sec, t/sec Iv - t/sec sec,
A projectile is fired vertically from point A with an initial speed of 220 ft/sec. Relative to an observer located at B, at what times (find two times ty « t2) will the line of sight to the projectile make an angle of 38 with the horizontal? Compute the magnitude of the speed of the projectile at each time, and ignore the effect of aerodynamic drag on the projectile. 220 ft/sec B. 38 545 Answers: sec, t/sec Iv - t/sec sec,
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Transcribed Image Text:A projectile is fired vertically from point A with an initial speed of 220 ft/sec. Relative to an observer located at B, at what times (find
two times t « to) will the line of sight to the projectile make an angle of 38° with the horizontal? Compute the magnitude of the speed
of the projectile at each time, and ignore the effect of aerodynamic drag on the projectile.
220 ft/sec
B
380
545
Answers:
IM -
sec,
t/sec
sec,
t/sec
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