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Wittaler [7]
3 years ago
5

What’s Newton’s second law? Explain and mention some examples in daily life

Physics
1 answer:
Marina CMI [18]3 years ago
8 0
Newton’s second law of motion is force equals mass times acceleration.

F = m•a

An example of this would be hitting a ball. If you hit the ball, it will move however fast you hit the ball. The harder you hit the ball, the faster it will move.

hope this helps and brainliest please
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"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

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14m/s2 is the correct answer

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