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mars1129 [50]
3 years ago
14

Jesse wants to know how well a particular brand of car wax protects his car from dirt. Which of the following is a variable that

must be kept constant?
a. The use of the car wax
b. How dirty the car gets
c. The kind of car
Physics
1 answer:
sweet [91]3 years ago
4 0
B but I'm not fo sure .
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。☆✼★ ━━━━━━━━━━━━━━  ☾  

2 x 3 = 6

Thus there are 6 atoms of oxygen in this molecule.

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6 0
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The elements selenium and oxygen are both poor electrical conductors. In which section of the periodic table are they
murzikaleks [220]

Answer:

The answer to your question is Nonmetals

Explanation:

Nonmetals   they are bad conductors of heat and electricity except graphite.

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Halogens they are not metals and do not conduct electricity.

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two cars are moving at constant speeds in a straight line along a major highway. The first is travelling at 20ms^-1 and the seco
Reika [66]

Answer:

t=750s

Explanation:

The two cars are under an uniform linear motion. So, the distance traveled by them is given by:

\Delta x=vt\\x_f-x_0=vt\\x_f=x_0+vt

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x_0_1=6km\\x_0_2=0

We have x_f_1=x_f_2. Thus, solving for t:

x_0_1+v_1t=x_0_2+v_2t\\x_0_1=t(v_2-v_1)\\t=\frac{x_0_1}{v_2-v_1}\\t=\frac{6*10^3m}{28\frac{m}{s}-20\frac{m}{s}}\\t=750s

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Bezzdna [24]

I think the answer is B.

Hope this helps.

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Convection, because it is the process of heat transfer from one location to the next by the movement of fluids. The moving fluid carries energy within it.
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