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bearhunter [10]
3 years ago
7

On a drawing showing the movement of a kickball, you see an arrow above the ball labeled "10 m/s" and the arrow shows BOTH the s

peed and direction of the kickball. This arrow is _______.
a force arrow
a vector
a speed arrow
an acceleration arrow

Chemistry
2 answers:
Nadusha1986 [10]3 years ago
7 0
 The correct answer would be the second option. On a drawing showing the movement of a kickball, you see an arrow above the ball labeled "10 m/s" and the arrow shows BOTH the speed and direction of the kickball. This arrow is a vector. This is because it gives both direction and magnitude.
aleksley [76]3 years ago
6 0

Answer: a vector

Explanation: Scalar quantities are those which only have magnitude. Example:  Speed(s) : It only gives the magnitude and not the direction. s=10ms^{-1}

Vector quantities are those which have magnitude as well as direction. Vectors are represented by putting an arrow on the symbol. Example: velocity(v): It gives the magnitude as well as direction.v=10ms^{-1} moving towards north.

Vector quantities are represented by putting an arrow above the symbol of the quantity as shown in image.

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Answer:

There exists a relationship between pressure and volume through Boyle's Law. It states that when temperature is held constant in thermodynamic syatems, the volume increases as the pressure decreases (and is true the other way around).

<em>Hope</em><em> this</em><em> helps</em><em> </em><em>:</em><em>)</em>

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It is 12:00 and you just heard that local officials are tracking a violent storm heading westward, directly for your town and sc
strojnjashka [21]

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The answer is : Yes

Explanation:

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3 years ago
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An intravenous infusion is to contain 15 mEq of potassium ion and 20 mEq of sodium ion in 500 mL of 5% dextrose injection. Using
Studentka2010 [4]

Answer:

To supply the required ions it is necessary to inject 5,6mL of 6g/30mL solution and 131,1 mL of 0,9% solution.

Explanation:

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in intravenous infusion 15 mEq of K are:

15x75mg KCl = 1,125g of KCl

And 20 mEq of Na are:

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To supply the potassium ion it is necessary to inject:

1,125g of KCl×\frac{30mL}{6g} =<em> 5,6mL  of 6g/30mL solution</em>

And, to supply the sodium ion it is necessary to inject:

1,18g of NaCl×\frac{100mL}{0,9g} = <em>131,1 mL of 0,9% solution</em>

<em />

I hope it helps!

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The answer should be True :)
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6,160.506

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