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Phantasy [73]
2 years ago
15

The equation below can be used to calculate a change in gravitational potential energy. What units must be used for h? Give the

full name, not the abbreviation.
e=m x g x h
Physics
1 answer:
Anni [7]2 years ago
8 0

Answer:

h = change in vertical position (height)

has units of distance.

Explanation:

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The electric flux through a spherical surface is 1.4 ✕ 105 N · m2/C. What is the net charge (in C) enclosed by the surface?
Anit [1.1K]

Answer:

The  value is   Q_{net} =  1.239 *10^{-6} \  C

Explanation:

From the question we are told that

   The electric flux is \Phi =  1.4*10^{5} \  N\cdot m^2/C

     

Generally the net charge is mathematically represented as

    Q_{net} =  \Phi *  \epsilon_o

Here \epsilon_o is the permetivity of free space with value  

       \epsilon_o =  8.85*10^{-12}  \  \  m^{-3} \cdot kg^{-1}\cdot  s^4 \cdot A^2

So

   Q_{net} =  1.4*10^5 *  8.85*10^{-12}

=>   Q_{net} =  1.239 *10^{-6} \  C

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3 years ago
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Valence electron of the first 20 elements​
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Answer:

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1 valence electron

Helium

2 valence electrons

lithium

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beryllium

2 valence electrons

boron

3 valence electrons

carbon

4 valence electrons

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5 valence electrons

oxygen

6 valence electrons

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7 valence electrons

neon

8 valence electrons

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magnesium

2 valence electrons

aluminum

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