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Maslowich
3 years ago
12

Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would

be;
Physics
2 answers:
otez555 [7]3 years ago
7 0

Answer:

<u>-8</u>

Explanation:

if he starts at ten and takes 10 steps left he'll be at -10... then if he takes 2 steps to the right , he's at -8 on the number-line

Komok [63]3 years ago
5 0

Answer:

The answer is 8 meters west

Explanation:

This answer is for quizizz website

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How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under cle
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Answer:

344.8 x10^-8J/m³

Explanation:

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3 years ago
"Two electrons in an atom are separated by 1.4 × 10−10 m, the typical size of an atom. What is the force between them? The Coulo
Rudiy27

Answer:

F\approx 1.17551\times 10^{-8} N

Explanation:

In order to find the force between the two electrons, we need to use Coulomb's law. In its scalar form, the law is given by:

F=k_c \frac{q_1*q_2}{r^2}

Where:

k_c=Coulomb\hspace{3}constant\approx 9\times10^{9} \frac{Nm^2}{C^2} \\q_1\hspace{3}and\hspace{3}q_2=Magnitudes\hspace{3}of\hspace{3}the\hspace{3}charges\\r=Distance\hspace{3}between\hspace{3}the\hspace{3}charges

The electric charge of an electron is a known constant given by:

q_e \approx -1.6 \times 10^{-19} C

So:

q_1=q_2=q_e \approx -1.6 \times 10^{-19} C

Therefore, replacing the data provided in the Coulomb's law equation:

F=(9\times 10^{9})\frac{(-1.6\times 10^{-19})*(-1.6\times 10^{-19})}{(1.4\times 10^{-10})^2} =1.175510204\times10^{-8} \approx 1.17551\times10^{-8}N

8 0
3 years ago
A jogger runs 300 meters due east and then turns and runs 500 meters due west.
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