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2 years ago

A rock is blasted straight upward at 180 ft/sec from the ground. Use parametric

Mathematics

1 answer:

Nikitich [7]2 years ago

8 0

Step-by-step explanation:

A rock is blasted straight upward at 180 ft/sec from the ground. Use parametric

equations to model the situation and find:

a. The height of the rock at time = 2 seconds.

b. The maximum height the rock reaches before hitting the ground.

A rock is blasted straight upward at 180 ft/sec from the ground. Use parametric

equations to model the situation and find:

a. The height of the rock at time = 2 seconds.

b. The maximum height the rock reaches before hitting the ground.

A rock is blasted straight upward at 180 ft/sec from the ground. Use parametric

equations to model the situation and find:

a. The height of the rock at time = 2 seconds.

b. The maximum height the rock reaches before hitting the ground.

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If AD is the altitude to BC, what is the slope of AD?

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Answer:

Option (C)

Step-by-step explanation:

If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.

By the property of perpendicular lines,

$m_1\times m_2=-1$

where $m_1$ is the slope of the line AD and $m_2$ is the slope of BC.

$m_2=\frac{y_2-y_1}{x_2-x_1}$

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$m_1\times (-\frac{2}{5})=-1$

$m_1=\frac{5}{2}$

Therefore, slope of altitude BC = $\frac{5}{2}$

Option (C) will be the answer.

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