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Ivahew [28]
4 years ago
6

Which of the following is true about scientific models? (2 points) Select one: a. Models are used to simplify the study of thing

s. b. Computer models are the most reliable kind of model. c. Models explain past, present and future information. d. A model is accurate if it does not change over time.
Physics
2 answers:
PIT_PIT [208]4 years ago
6 0

I believe the answer is A

Vanyuwa [196]4 years ago
5 0

Question: Which of the following is true about scientific models?  Select one: A) Models are used to simplify the study of things. B) Computer models are the most reliable kind of model. C) Models explain past, present and future information. D) A model is accurate if it does not change over time.

Answer: <u>A) Models are used to simplify the study of things.</u>

<em>Hope this helps!.</em>

<em>~~~~~~~~~~~~~~~~~~~~~~</em>

<em>~A.W~ZoomZoom44</em>

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At what frequency would an inductor of inductance 0.8H have a reactance of 12000^?​
zheka24 [161]

Explanation:

The inductive reactance X_L is given by

X_L = \omega L = 2 \pi fL

Solving for f, we get

f = \dfrac{X_L}{2 \pi L} = \dfrac{12000\:\text{ ohms}}{2\pi (0.8\:H)}

\:\:\:\:\:\:\:= 2387.3\:\text{Hz}

3 0
3 years ago
A graduated cylinder.measures 15.3 mL. Convert this measurement to DaL
ololo11 [35]

Answer:

0.000153DaL  

Explanation:

We have been given:

         15.3mL to convert to DaL

DaL is a unit of volume which indicates a decaliter.

 This implies that;

             1 Da L  = 1 x 10²L

So:

               1 mL  = 1 x 10⁻³L

       So 15.3mL will give 15.3 x 10⁻³L

So;

           1 x 10²L   =  1 DaL  

      15.3 x 10⁻³L  will give \frac{15.3 x 10^{-3} }{1 x 10^{2} }   = 15.3 x 10⁻⁵DaL

Therefore, this is 0.000153DaL  

           

5 0
3 years ago
Which statement describes the relationship of resistance and current?
Len [333]
Choices 'B'; and 'D' both begin with the correct words.
But they should end with the equation

                       R = V / I 
8 0
3 years ago
Read 2 more answers
Using the periodic table, predict the formulas of stable ionic compounds. Select THREE that are correct.
AleksandrR [38]
The first one,second one and the forth one are correct
6 0
3 years ago
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A heater has a resistance of 10.0 Ω. It operates on a 12.0 V. What is the current through the resistor?
irakobra [83]

Answer:

1.2 amps :)

Explanation:

A heater has a resistance of 10.0 Ω. It operates on a 12.0 V. What is the current through the resistor?

         Known:

  • R = 10.0 Ω                            
  • V = 12.0 V

       Unknown:

  • I = ???

I = V/R

= 12.0 V / 10.0 Ω

= 1.2 amps

6 0
3 years ago
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