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lys-0071 [83]
3 years ago
5

If a person is throwing darts at a target in shoots three in a row in the same spot on the 20 section outer ring, but none in th

e bull’s-eye, the person throwing could be described as _____.
1) accurate, but not exact
2) precise, not accurate
3) accurate, but not precise
4) exact, but not precise
Physics
2 answers:
Harman [31]3 years ago
8 0
2)precise,not accurate
Oksi-84 [34.3K]3 years ago
5 0
The answer would be 2) precise, not accurate
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Which liquid will evaporate the fastest water salt water pepsi and gatorade?
MArishka [77]
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3 years ago
slader the cross section of a 5-ft long trough is an isosceles trapezoid with a 2 foot lower base, a 3-foot upper base, and an a
Ostrovityanka [42]

Answer:

0.08 ft/min

Explanation:

To get the speed at witch the water raising at a given point we need to know the area it needs to fill at that point in the trough (the longitudinal section), which is given by the height at that point.

So we need to get the lenght of the sides for a height of 1 foot. Given the geometry of the trough, one side is the depth <em>d</em> and the other (lets call it <em>l</em>) is given by:

l=\frac{3-2}{2}\,ft+2\,ft\\l=2.5\,ft

since the difference between the upper and lower base is the increase in the base and we are only at halft the height.

Now we can calculate the longitudinal section <em>A</em> at that point:

A=d\times l\\A=5\,ft \times 2.5\, ft\\A=12.5\, ft^{2}

And the raising speed <em>v </em>of the water is given by:

v=\frac{q}{A}\\v=\frac{1\, \frac{ft^3}{min}}{12.5\, ft^2}\\v=0.08\, \frac{ft}{min}

where <em>q</em> is the water flow (1 cubic foot per minute).

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3 years ago
I need help quick!! Urgent!
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C.

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Explanation:

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2 years ago
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