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natimike10
18.07.2020 •
Mathematics
What is the value of x? [Art not to scale.] x = 23 x = 35 x = 58 x = 93
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Ответ:
y = v₀t - 0.5gt²
We don't know the initial velocity of the ball. We use the given condition from the problem that the maximum height was achieve after t = 2
y = 2v₀ - 19.62
v₀ = 0.5y + 9.81
Substituting, factoring, and replacing t with x, the result is:
y = –16(x – 2)^2 + 68