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dedylja [7]
3 years ago
9

True or false in order for light to be emitted electrons must move from high energy state to a lower energy state?

Physics
2 answers:
lara31 [8.8K]3 years ago
5 0

Answer:

B

I think it is false.

It does not move to lower energy state.

victus00 [196]3 years ago
5 0
The answer to your question is true
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If an object has a positive charge, are the electrons from another object more likely to be attracted to it or to repel it?
Vlad1618 [11]

Answer:

attracted

Explanation:

Electrons are negative.

A positively charged object will attract a negatively charged object

3 0
2 years ago
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If you double the velocity of a moving object, how is it's momentum affected?
Allushta [10]
Well momentum is = to Mass*Velocity so let's use an example to figure this out

If I weighed 50kg and I was jogging at 3m/s then I broke into a run at 6m/s how will me momentum be affected?
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6m/s*50kg=300

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3 years ago
S To minimize neutron leakage from a reactor, the ratio of the surface area to the volume should be a minimum. For a given volum
goblinko [34]

To minimize neutron leakage from a reactor, the ratio of the surface area to the volume should be a minimum. For a given volume V ,  ratio for (c) a parallelepiped of dimensions × 2 a will be \frac{6.29961}{c^\frac{1}{3} }

What will be the ratio of surface area and the volume of the parallelepiped

We will proceed by stating the equations of the surface area and the volume of each shape, and then identifying each of the surface area and the volume, we will take their ratios, and as it is asking for the shape which has the minimum surface area to volume ratio, therefore at some given volume, V=const.

The parallelepiped whose dimension is given as

2a,a,a

the surface area and the volume is given respectively by:

A=2(2a \times a)+2(a \times 2a)+2(a \times a)=10a^{2}

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Let the volume be equal to the constant c, we get:

V=c=2a^{3}\\a=(\frac{c}{2} )^\frac{1}{3}

Hence the ratio is given by:

\frac{A}{V} =\frac{10a^{2}}{2a^{3}}=\frac{5}{a}

Calculating the constants, by substituting the value of a in (3), we get:

\frac{A}{V}=\frac{6.29961}{c^\frac{1}{3} }

To learn more about parallelepiped, refer to:

brainly.com/question/27975136

#SPJ4

5 0
1 year ago
Which of the following is true about a combustion reaction?
Ksenya-84 [330]

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3 years ago
What does the dashed line represent in this diagram?
lys-0071 [83]
Motor branch circuit
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