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Leno4ka [110]
3 years ago
10

If the end points are -8 and 12 what is the midpoint

Physics
1 answer:
Vlad1618 [11]3 years ago
5 0
I believe 2 is the midpoint
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A bullet is fired into the air at an angle of 45°. How far does it travel before it is 1,000 feet above the ground? (Assume that
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Answer:

It travels 1414 feets.

Explanation:

Let's take the length the bullet travels <em>l </em>as the hypotenuse of a right triangle and the height it reaches one of its sides. Since we got the angle α at which it was fired and the height <em>h</em> it reached, we can calculate <em>l</em> using the <em>sin(α)</em> function:

sin(\alpha )=\frac{opposite side}{hypotenuse}\\sin(\alpha)=\frac{h}{l}\\l=\frac{h}{sin(\alpha)}

Replacing:

l=\frac{1000ft}{sin(\frac{\pi}{4})}

Solving and roundin to the nearest foot:

l=1414 ft

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What is the acceleration of a car that goes from 0 to 20m/s in 7 seconds?
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2m/s^2

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distance = 100m

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Explanation:

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