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Tom [10]
3 years ago
12

According to the Big Bang theory, after the "Bang", the universe remained dark until about ___ later, when neutral atoms began f

orm.
*three minutes
*one billion years
*300,000 years
*three billion years
Physics
2 answers:
fiasKO [112]3 years ago
5 0
300,000 Years is the right answer Your Welcome 
barxatty [35]3 years ago
3 0

300,000 years this i know because i had to do a report on it last year and it says in the description/ study article of the big bang theory.

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Me parece muy bien la gente de mi familia en mi casa de la familia de la casa que no se me olvida el tema del día que viene y
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3 years ago
PLEASE HURRY!!!!! 25 POINTS !!!! Sebastian wants to write the chemical formula for phosphorus tetraoxide. He identifies the chem
aksik [14]

Answer:

add a subscript of 4 after the O

Explanation:

The chemical formula of a compound is said to contain the elements in that compound with the respective number of atoms in each element. When writing chemical formula of a compound, the chemical symbols of each comprising element must be known. In this case involving Phosphorus tetraoxide, the symbols of the elements in this compound has been identified as P for Phosphorus and O for oxygen.

After identification of elemental symbols in the compound, Sebastian must now allocate the number of atoms that each element contains. According to the name of the compound, TETRA preceding oxygen means four (4), hence, four will be added as a subscript to O. Hence, at the end, the chemical formula will be PO4.

Please note that, the order of the chemical formula will go as the name implies Phosphorus tetraoxide, so phosphorus symbol (P) comes first, followed by oxygen symbol (O)

8 0
4 years ago
Read 2 more answers
A person walks 2.00 m east, then turns and goes 4.00 m west, then turns and goes back 1.00m East
tangare [24]

Answer: what is the person’s distance

8 0
4 years ago
A 330-ohm resistor is connected to a 5-volt battery. The current through the resistor is
klasskru [66]

Question :-

  • A 330 Ohm Resistor is connected to a 5 Volt Battery . What is the Current through the Resistor ?

Answer :-

  • Current of the Battery is 66 Ampere.

Explanation :-

As per the provided information in the given question, The Resistance is given as 330 Ohm . The Voltage is given as 5 Volt . And, we have been asked to calculate the Current .

For calculating the Current , we will use the Formula :-

\bigstar \:  \:  \:  \boxed{ \sf{ \: Current \:  =  \:  \dfrac{Voltage}{Resistance}  \: }}

Therefore , by Substituting the given values in the above Formula :-

\dag \: \: \: \sf {Current \: = \: \dfrac {Voltage}{Resistance} }

\longmapsto \: \: \: \sf {Current \: = \: \dfrac {5}{330} }

\longmapsto \: \: \: \sf {Current \: = \: \dfrac {1}{66} }

\longmapsto \: \: \: \textbf {\textsf {Current \: = \: 66 }}

Hence :-

  • Current = 66 Ampere .

\underline {\rule {180pt} {4pt}}

Additional Information :-

\Longrightarrow \: \: \: \sf {Voltage \: = \: Current \: \times \: Resistance}

\Longrightarrow \: \: \: \sf {Current \: = \: \dfrac {Voltage}{Resistance} }

\Longrightarrow \: \: \: \sf {Resistance \: = \: \dfrac {Voltage}{Current} }

8 0
2 years ago
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Two objects, with masses m1 and m2, are originally a distance r apart. The gravitational force between them has magnitude F. The
Romashka [77]

Answer:

The magnitude of the new gravitational force becomes 32 times of the original force.

Explanation:

Two objects, with masses m₁ and m₂, are originally a distance r apart. the gravitational force between them is given by :

F=\dfrac{Gm_1m_2}{r^2}

If the second object has its mass changed to 2m₂ and the distance is changed to r/4, such that,

m_2'=2m_2 and r'=\dfrac{r}{4}

The new gravitational force is given by :

F'=G\dfrac{m_1m'_2}{r'^2}

F'=G\dfrac{m_1(2m_2)}{(r/4)^2}

F'=32\times G\dfrac{m_1m_2}{r^2}

F'=32F

So, the magnitude of the new gravitational force becomes 32 times of the original force. Hence, the correct option is (B) "32F".

6 0
4 years ago
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