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I am Lyosha [343]
3 years ago
15

What determines which specific atoms of a radioactive material decay over a period of time?

Physics
2 answers:
Ede4ka [16]3 years ago
8 0
The answer is: "nothing".
In fact, it's totally random. When there is a certain amount of atoms of a radioactive element, it's not possible to predict which atom will decay first and which one will decay later. We can only predict the amount of atoms that will be left after a certain time t (if we know the half-life of the element), but we can't predict which atom will decay first.
lara31 [8.8K]3 years ago
7 0
The half-life is the amount of time in which specific atoms of a radioactive element will go through decay. This is used as a measurement to estimate how long will it take for one-half of the atoms in a sample to undergo radioactive decay.
<span>Moreover, all radioactive atoms undergo radioactive decay and will continue to transform into new elements until it will reach a non-radioactive and stable isotopes.<span>

</span></span>
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The four fundamental types of organic molecules are nucleic acids, proteins, lipids, and ________.
notka56 [123]
The other of the four organic molecules is carbohydrates. 
All four of them are:
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4 0
3 years ago
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3 0
4 years ago
the focal length of a simple magnifier is 8.50 cmcm . assume the magnifier to be a thin lens placed very close to the eye.
Igoryamba

When the object is at the focal point the angular magnification is 2.94.

Angular magnification:

The ratio of the angle subtended at the eye by the image formed by an optical instrument to that subtended at the eye by the object when not viewed through the instrument.

Here we have to find the angular magnification when the object is at the focal point.

Focal length = 6.00 cm

Formula to calculate angular magnification:

Angular magnification = 25/f

                                            = 25/ 8.5

                                             = 2.94

Therefore the angular magnification of this thin lens is 2.94

To know more about angular magnification refer:: brainly.com/question/28325488

#SPJ4

5 0
1 year ago
A skateboarder with a mass of 60 kg moves with a force of 20 N. What is her acceleration?
Zanzabum

Explanation:

Solution,

  • Mass(m)= 60 kg
  • Force (F)= 20 N
  • Acceleration (a)= ?

We know that,

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  • a=F/m
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So, her acceleration is 0.333 m/s².

4 0
3 years ago
What is matter in regards to energy?​
svp [43]

Answer:

Energy always involves. motion in some form. Matter is an object that that up space so it is. measured in units of space

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8 0
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