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Question 1194414: Assume that the trajectory in a javelin throw is parabolic and that it can be described
using the equation:
200𝑦 = 80𝑥 − x^2
where 𝑥 is the horizontal distance, 𝑦 is the height. Both measurements are in meters. what is the brand
reached?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Assume that the trajectory in a javelin throw is parabolic and that it can be described
using the equation:
200𝑦 = 80𝑥 − x^2
where 𝑥 is the horizontal distance, 𝑦 is the height. Both measurements are in meters. what is the brand reached?
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IDK what you mean by "brand."
A previous posting said "mark."
Maybe it's a language thing.
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It's a parabola.
y = 0 at x = 0, and at x = 80, so 80 is the distance to impact.
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The max height is halfway, at x = 40
Sub 40 for x to find max height.
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