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Maksim231197 [3]
3 years ago
10

Please help asap I need this rn

Physics
1 answer:
den301095 [7]3 years ago
6 0
It’s the third one .
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Which sources of associated with the line emission spectrum?
Lerok [7]

Answer:

Answer if this question neon street sign

Explanation:

may this answer is helpful for you

3 0
3 years ago
Light with a wavelength of λ = 689 nm. is incident on a single slit of width w = 3.75 micrometers. A screen is located L = 0.65
rodikova [14]

Answer:

119.42 x 10⁻³ m

Explanation:

The distance of first dark fringe from central bright spot will be equal to the width of fringe .

Fringe width = λL /w

where λ is wavelength of light, w is slit width , L is distance of screen .

So required distance

= \frac{689\times10^{-9}\times0.65}{3.75\times10^{-6}}

= 119.42 x 10⁻³ m

8 0
3 years ago
What three variable factors determine the force of gravity between any two objects
zalisa [80]
The force of gravity between two objects is:
F = G*m1*m2/r^2

So, it is dependent of the two masses and the distance between their centers of mass.

If, you are referring to the force of gravity due to the earth, then the two factors are the mass of the object and the distance from the center of mass of the object and center of mass of the earth.
5 0
3 years ago
Read 2 more answers
This technique allowed multiple peoples DNA to be compared to look for
Lady_Fox [76]

DNA sequencing is the technique which allows multiple peoples DNA to be compared to look for similarities and differences in order to solve crime and is denoted as option C.

<h3>What is DNA?</h3>

This is referred to as the deoxyribonucleic acid and contains the genetic components of organisms and is also located in the nucleus. On the other hand, DNA sequencing refers to the process of determining the nucleic acid sequence.

Each organisms has a unique DNA sequence which is why it is used to identify individuals through the use of bodily fluids such as saliva, blood etc.

It is used to compare the similarities and differences in order to solve crime thereby making it the most appropriate choice.

Read more about DNA sequencing here brainly.com/question/1243987

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7 0
2 years ago
A 5 cm radius isolated conducting sphere is charged so its potential is 100 V, relative to the potential far away. The charge de
MArishka [77]

The electric potential (V) produced by a point charge with a charge of magnitude Q, at a point a distance r away from the point charge, is given by the equation:

V = \frac{kQ}{r}

Here,

k = Coulomb's constant

Q = Charge

r = Distance

If we rearrange the equation to find the distance we have,

Q=\frac{Vr}{k}

Q = \frac{(100)(5*10^{-2})}{9*10^9}

Q = 5.55*10^{-10} C

Now the value of the charge density is equivalent to the charge on the surface area of the sphere this is

\gamma = \frac{Q}{A_s}

\gamma = \frac{Q}{4\pi r^2}

\gamma = \frac{ 5.55*10^{-10}}{4\pi (5*10^{-2})^2}

\gamma = 1.76*10^{-8} C/m^2

4 0
3 years ago
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