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murzikaleks [220]
2 years ago
8

How to find reaction force

Chemistry
1 answer:
shtirl [24]2 years ago
8 0

Answer:

Let the sum of moments about a reaction point equal to ZERO (ΣM = 0) ...

Let the sum of vertical forces equal to 0 (ΣFy = 0)

Explanation:

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"the charcoal from a tree killed in the volcanic eruption that formed cedar lake in oregon contained 44.5% of the carbon-14 foun
nalin [4]
The half life of carbon-14 is 5700 years. (Half life is the time taken by a radioactive isotope to decay by half of its original mass). 
Let A₀ be the initial amount of carbon-14 that is found in living matter (t=0 years), to determine when there was 44.5% of A₀ left.
44.5 = 100 × (1/2)^n, where n is the number of half lives
0.5^n = 0.445
    n = log 0.445/log 0.5
    n = 1.168
But 1 half life is 5700 years
Therefore, the number of years will be 5700 × 1.168 = 6658.299725 years
≈ 6658.30 years

3 0
2 years ago
HELP PLEEAAASSE ITS NOT AS BAD AS IT LOOKS I PROM ISE ITS PHYSICAL AND CHEMICAL CHANGE
lions [1.4K]
I can’t really understand your question sorry
8 0
2 years ago
What is the relationship between nucleic acids and nucleotides?
maw [93]

The nucleotides are monomers of nucleic acid.

The nucleic acids are the macro molecules. They are two types- DNA and RNA. The nucleic acid, DNA consists of nucleotide which are monomers of the DNA. The nucleotides have three components such as pentose sugar, nitrogen bases, and phosphate.

They are the backbone of DNA. DNA is the polymer of nucleotide, and this DNA is coming under nucleic acids. The nucleotides form DNA, and DNA forms the nucleic acid. They are interlinked with each other.

Nucleic acids are the center for storing all the information. The deoxyribose nucleic acid or DNA is the center for storing all the genetic information.

The genetic material is inherited from the parents to the children. The characters are transferred from one generation to another.

The characters such as hair color, hair type, eye color are some of the genetic information that is carried from one generation to another via nucleic acids.

Nucleotide is the basic unit of nucleic acid (DNA and RNA) which store the genetic code of the cell.

It consists of sugar base (ribose or deoxyribose), nitrogenous base (A, T, G, C and U), and phosphate group.

Nucleotides (specially ATP) provides the energy for most of the cellular processes.

Therefore, with the above statements we got to know that both nucleic acid and nucleotides are genetically modified.

To know more about nucleic acid, refer: brainly.com/question/29794338

#SPJ4

7 0
1 year ago
Which two factors that influence weather are caused by the uneven heating of
just olya [345]
B, sorry if i am wrong.
8 0
2 years ago
Read 2 more answers
1. Is this equation balanced? Explain your answer. Na + Cl2 → NaCl ?
Delvig [45]

It is not balanced since there are 2 Cl molecules on the left side, and only 1 on the right side. In order to balance this, you would need to make sure there are the same amount of all the molecules on both sides...

4Na + 2Cl2 = 4NaCl


Hope this helps :)

3 0
2 years ago
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