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Original Question
If a ball is kicked at 35 degrees above the horizontal, what is the speed to barely clear the 3m tall goal post 60m away?Asked by Anonymous
If a ball is kicked at 35 degrees above the horizontal, what is the speed to barely clear the 3m tall goal post 60m away?
Answers
Answered by
Aljebeth
use the formula for dynamics
y=xtanθ-(gx^2)/(2V^2Cos^2(θ))
where:
θ=35
g=9.81 m/s^2
x=60 m
y=3 m
V=initial speed
just plug-in the value.. :D
y=xtanθ-(gx^2)/(2V^2Cos^2(θ))
where:
θ=35
g=9.81 m/s^2
x=60 m
y=3 m
V=initial speed
just plug-in the value.. :D
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