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Marina86 [1]
3 years ago
7

Which particles of an atom create the blanket that keeps the atoms of metal together?

Physics
2 answers:
Katen [24]3 years ago
8 0

The answer is <u>A. Electrons </u>

please vote<u> brainliest</u> (:

salantis [7]3 years ago
3 0
The solid antom particles create blanket and keep metals together !
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In a Hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. How many unique charge-p
lutik1710 [3]

Answer:

The total number of charge pair without double counting is 6.

Explanation:

Given that,

Number of proton = 2

Number of electron = 2

We need to calculate the total number of charges in Hydrogen atom

Using formula for number of charges

n= p+n

n =2+2

n=4

Number of charge in pair is

r = 2

We need to calculate the total number of possible combination of pairs without double counting

Using formula of combination

N=_{n}C^{r}

Where, n = number of charges

r = number of charges per pair

Put the value into the formula

N=_{4}C^{2}

N=\dfrac{4\times3\times 2}{2(4-2)}

N=\dfrac{4\times3\times 2}{2\times2}

N=6

Hence, The total number of charge pair without double counting is 6.

5 0
3 years ago
A region of space in which a test charge experiences a force is referred to as
Alecsey [184]

Answer: The correct answer is- Field.

Explanation -

The modified space around a charged particle is known as electric field.

The strength of electric field at a point is calculated as the force experienced by a unit test charge present at that point.


Thus, a region of space in which a test charge experiences a force is referred to as Field.

4 0
3 years ago
Read 2 more answers
An engineer is designing a spring to be placed at the bottom of an elevator shaft. If the elevator cable should happen to break
mamaluj [8]

Answer:

Value that the spring constant k = 12Mg / h

Explanation:

According to 2nd law of Newton:

upward force of the spring= F

The weight of the elevator W = mg

            F = Mg = M(5g)

==> F =6Mg.

As the spring is compressed to its maximum distance ie s,the maximum upward acceleration comes just , Hence

  F =ks = 6Mg

==>   s = 6Mg/k

We have gravitational potential energy turning into elastic potential of the spring as the elevator starts at the top some distance h from the spring, and undergoes a total change in height equal to h + s, so:

            Mg(h+s) = 1/2ks2

And plugging in our expression for s:

         Mg(h+6Mg/k)= 1/2k(6Mg / k)2

          gh + 6M2g2/k = 1/2k(36M2g2 /k2)

        Mgh +6M2g2/k = 1/2k(36M2g2 /k2)

             gh + 6Mg2/k = 18Mg2 / k

                             gh = 12Mg2 / k

                               h = 12Mg / k

                               k = 12Mg / h

7 0
4 years ago
Read 2 more answers
a 5.0 kg block is at rest on a horizontal floor. if you push horizontally on the 5.0 kg block with a force of 15.0 n, it just st
zheka24 [161]

For the 5.0Kg block with the force of 15 Newton, the coefficient of static friction (μ) comes out to be 0.306. Applying the formula F = μmg.

Static friction acts on stationary body/body at rest. Let μ be the coefficient of static friction between the block and the horizontal floor.

Using the formula: F = μmg

Where,

F = Force , m= mass of the block and g = gravity.

and values of: m= 5.0Kg, F= 15.0N, g= 9.8m/s²

We can get: μ = F/(mg)

μ = 15/49

μ =0.306

Therefore, coefficient of static friction (μ) = 0.306.

To learn more about static friction visit the link- brainly.com/question/13680415

#SPJ4

4 0
2 years ago
Express 9.39 x 109 seconds in terms of days.
Taya2010 [7]
108 681(nearest whole day)
7 0
4 years ago
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