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zhannawk [14.2K]
3 years ago
5

IN THIS FORMULA FOR WATER WHAT DOES THE SUBSCRIPT 2 INDICATE

Physics
1 answer:
masha68 [24]3 years ago
7 0
The chemical formular for water is H2O.
The H aspect of the formula stands for hydrogen gas and the subscript 2 which is attached to the H symbol signifies that two atoms of hydrogen are joined together, that is two atom of hydrogen are present.
The chemical formula of water indicates that, two atom of hydrogen react with one atom of oxygen to form one molecule of water.
In chemical formulae, subscripts are normally used to indicate the number of atoms that are present in a molecule.
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The wave frequency is where 1 hertz equals 1 wave passed a fixed point in 1 second.
ahrayia [7]

                     (10 waves) / (5 sec) 

                 =  (10/5) (wave/sec)

                 =      2      per sec

                 =      2        Hz .
3 0
2 years ago
What is the period and frequency of a water wave if 4.0 complete waves pass a fixed point in 10 seconds
olga2289 [7]
The correct answer for this question is this one: C) 2.5s. T<span>he period and frequency of a water wave if 4.0 complete waves pass a fixed point in 10 seconds is that 2.5 s
</span>
Here are the following choices:
<span>A) 0.25s 
B) 0.40s 
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7 0
2 years ago
If the Moon rises at 7 A.M. on a particular day, then approximately what time will it rise four days later?
Gelneren [198K]

Answer:

10:33 am

Explanation:

3 0
3 years ago
When Sr and F combine to form a compound, which atom(s) will become an anion?\
labwork [276]

Answer:

Explanation:

An anion is a negatively charged atom ie. Atoms that have gained an electron.

Flouirne is a group 7 element and it is highly electronegative. It easily draws electron to itself. With an electron, the outermost shell of Flouirne would mimic that of a noble gas.

Therefore, a combination of Sr and F would make F an electron acceptor and then an anion.

7 0
3 years ago
A cart has a velocity of 10.0 meter per second as it moves southward. What is its final velocity after moving 200 meters if it i
amm1812

Answer:

the final velocity of the cart is 30 m/s

Explanation:

Given;

initial velocity of the cart, u = 10 m/s

distance moved by the cart, d = 200 m

acceleration of the cart, a = 2.0 m/s²

The final velocity of the cart is calculated as;

v² = u² + 2ad

where;

v is the final velocity

v²  = 10² + 2(2)(200)

v² = 900

v = √900

v = 30 m/s

Therefore, the final velocity of the cart is 30 m/s

7 0
3 years ago
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