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UkoKoshka [18]
3 years ago
11

When is an atom stable? A. when it has a full outer orbit. B. when it has the same amount of elections as protons. C. when it ha

s no neutrons. D. when it has an odd number of valance electrons
Physics
2 answers:
LekaFEV [45]3 years ago
4 0
The answer is A hope this helps
balu736 [363]3 years ago
3 0
B when the electrons and protons are the same amount

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Artyom0805 [142]

Answer:

B

Explanation:

7 0
2 years ago
You are riding on a Ferris wheel that is rotating with constant speed. The car in which you are riding always maintains its corr
nirvana33 [79]
It's going down.

Hope this helps you
5 0
3 years ago
During the class prize-giving ceremony, Anand clapped his hands hard while Kumar clapped his hands softly. Everybody could hear
algol13

Answer:

C - higher volume

Explanation:

The pitch or frequency of sound that an object can produce depends upon its size and configuration . The shape of hand of all are same so the frequency of sound produced by hands of all will be almost same . Hence frequency of sound produced by the hands of Anand and Kumar would have been almost the same .

But the intensity of sound produced by them would have been different . Intensity represents energy a sound carries . Hard hitting clap will produce sound of higher intensity . Intensity of sound is also called high volume sound . So Kumar's clap will carry greater energy and hence greater volume of sound .

3 0
3 years ago
The resistance of a very fine aluminum wire with a 20 μm × 20 μm square cross section is 1200 Ω . A 1200 Ω resistor is made by w
notsponge [240]

Explanation:

The given data is as follows.

         Resistance (R) = 1200 ohm,     Area (A) = 20 \times 10^{-6} m (as 1 \mu m = 10^{-6} m)

            Diameter (d) = 2.3 mm = 2.3 \times 10^{-3} m

First, we will calculate the length as follows.

            R = \rho \frac{L}{A}

Here,  \rho = resistivity of aluminium = 2.65 \times 10^{-8}

Putting the given values above and we will calculate the value of length as follows.

               R = \rho \frac{L}{A}

             1200 = 2.65 \times 10^{-8} \times \frac{L}{20 \times 10^{-6}}

               L = 9.056 \times 10^{5}

As the circumference of circular wire = 2 \pi r

or,                                                          = 2 \times \pi \times \frac{d}{2}  

                                                              = \pi \times d

And, number of turns will be calculated as follows.

             No. of turns × Circumference = Length of wire

              No. of turns × 3.14 \times 2.3 \times 10^{-3} = 9.056 \times 10^{5}

                               = 1.25 \times 10^{8}

Thus, we can conclude that 1.25 \times 10^{8}  turns of wire are needed.

6 0
3 years ago
The SI unit for acceleration is_____<br> a m/s.<br> b m/s 2<br> c m/s2<br> d none of the above
zalisa [80]
I dont know from option
Because SI Unit of acceleration is m/s^2
7 0
3 years ago
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