Projectile A is launched with a horizontal velocity of 20 m/s from the position shown in the figure. A h 20 m/s 5 m 21.34 = 20.4° to the horizontal. 0.25 s later B is launched from the position shown, with a launch angle of The launch position of B is h = 20.8 m below the position from where A was launched, and 5 m to the right of it. B Assume both projectiles have a downward acceleration of 9.8 m/s². Assume the projectiles are small compared to the scale of their motion. Hint: A is directly above B at the moment B is launched. 2.073 What speed must B be launched with in order for it to have a mid-air impact with A? Number g=9.8 m/s² m/s How long after the launch of B does the impact occur? S How far from the launch position of A does the impact occur? m
Projectile A is launched with a horizontal velocity of 20 m/s from the position shown in the figure. A h 20 m/s 5 m 21.34 = 20.4° to the horizontal. 0.25 s later B is launched from the position shown, with a launch angle of The launch position of B is h = 20.8 m below the position from where A was launched, and 5 m to the right of it. B Assume both projectiles have a downward acceleration of 9.8 m/s². Assume the projectiles are small compared to the scale of their motion. Hint: A is directly above B at the moment B is launched. 2.073 What speed must B be launched with in order for it to have a mid-air impact with A? Number g=9.8 m/s² m/s How long after the launch of B does the impact occur? S How far from the launch position of A does the impact occur? m
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Transcribed Image Text:Projectile A is launched with a horizontal velocity of 20 m/s from the position shown in the figure.
A
h
20 m/s
5 m
21.34
0.25 s later B is launched from the position shown, with a launch angle of 00=20.4° to the horizontal.
The launch position of B is h=20.8 m below the position from where A was launched, and 5 m to the right of it.
B
Assume both projectiles have a downward acceleration of 9.8 m/s².
Assume the projectiles are small compared to the scale of their motion.
Hint: A is directly above B at the moment B is launched.
2.073
What speed must B be launched with in order for it to have a mid-air impact with A?
Number
|g=9.8 m/s²
m/s
How long after the launch of B does the impact occur?
S
How far from the launch position of A does the impact occur?
m
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