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Harlamova29_29 [7]

3 years ago

7

A bird is 4 meters from the ground. The bird is 74 cm higher from the ground than a squirrel that is sitting in a tree. How far

from the ground is the squirrel?

1 answer:

Igoryamba3 years ago

4 0

The squirrel is 3.16 meters away from the ground, or 316 centimeters.

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3 years ago

How is this equation completed? I cannot find any examples in the book.

djverab [1.8K]

Answer: Option D

$t_{max} =19\ s$

Step-by-step explanation:

Note that the projectile height as a function of time is given by the quadratic equation

$h = -12t ^ 2 + 456t$

To find the maximum height of the projectile we must find the maximum value of the quadratic function.

By definition the maximum value of a quadratic equation of the form

$at ^ 2 + bt + c$ is located on the vertex of the parabola:

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Where $a$

In this case the equation is: $h = -12t ^ 2 + 456t$

Then

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So:

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7 0

3 years ago