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In a friendly soccer game, you hit a ball with a speed of 13 m/s at an angle of 24 degrees above the horizontal. (A) How long does it take for the ball to reach the goal if it is 4.2 meters away? (B) How
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May 18, 2022
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In a friendly soccer game, you hit a ball with a speed of 13 m/s at an angle of 24 degrees above the
horizontal. (A) How long does it take for the ball to reach the goal if it is 4.2 meters away? (B) How high is the
ball when it reaches the goal?
Physics
high-school
Adrian Holovaty
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Adrian Holovaty
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a) V= 13m/s at 24 degrees
X component of velocity Vx= V*cos24 =11.876 m/s
distance =4.2 meter
time =distance/speed =4.2/11.876 =0.3537 s
b) Vertical component of speed = Vy=vsin24=
5.29 m/s
s=ut+0.5at^2 =5.29880.3537-0.5*9.8*0.3537^2
=1.257 m above ground
Andyuk
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May 24, 2022
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Andyuk
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