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Eduardwww [97]
3 years ago
9

Do dinosaurs have chest hair??????

SAT
2 answers:
soldier1979 [14.2K]3 years ago
7 0

Answer:

No!

Explanation:

Marysya12 [62]3 years ago
3 0

Answer:

No.

Explanation:

Hope this helps! :D

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A point charge q1 = -4. 00 nc is at the point x = 0. 60 m, y = 0. 80 m , and a second point charge q2 = +6. 00 nc is at the poin
Alekssandra [29.7K]

The net electric field is the vector sum of the components of the electric

field produced by the two charges.

The values of the magnitude and direction of the net electric field at the origin (approximate values) are;

  • 131.6 N/C
  • 12.6 ° above the negative x–axis

<h3>How are the net electric field magnitude and direction calculated?</h3>

The possible questions based on a similar question posted online are;

(a) The net electric field at the origin.

The electric field due to charge q₁ is given as follows;

\vec E_{1x} = \mathbf{ \dfrac{1}{4 \cdot \pi \cdot \epsilon_0} \cdot \dfrac{q_1}{\vec{r}^2_2}}

Which gives;

\vec{E}_{1x} =\mathbf{ \dfrac{\left(9 \times 10^9 \, N \cdot m/C^2 \right) \cdot \left(-4 \, nC \times \dfrac{10^{-9}C}{1 \, nC} \right)}{\left(1 \, m \right)^2}} \cdot cos\left(arctan\left(\dfrac{0.8}{0.6} \right) \right) =-21.6 \, N/C

\vec{E}_{1y} = \mathbf{\dfrac{\left(9 \times 10^9 \, N \cdot m/C^2 \right) \cdot \left(-4 \, nC \times \dfrac{10^{-9}C}{1 \, nC} \right)}{\left(1 \, m \right)^2}} \cdot sin\left(arctan\left(\dfrac{0.8}{0.6} \right) \right) = 28.8 \, N/C

Which gives;

\vec{E}_1 = \mathbf{21.6 \, N/C  \cdot \hat x +  28.8 \, N/C \hat y}

\vec{E}_{2x} = \dfrac{\left(9 \times 10^9 \, N \cdot m/C^2 \right) \cdot \left(6.00 \, nC \times \dfrac{10^{-9}C}{1 \, nC} \right)}{\left(1 \, m \right)^2} = 150 \, N/C

Therefore;

\vec  {E} = \left[ 21.6 \, N/C - 150 \, N/C \right] \left( \hat x \right) + \left(28.8 \, N/C \right) \left( \hat y \right)

\vec  {E} = \mathbf{\left( -128.4 \, N/C  \right) \left( \hat x \right) + \left(28.8 \, N/C \right) \left( \hat y \right)}

The magnitude of the net electric field is therefore;

E = \sqrt{(-128.4^2 + 28.8^2)} ≈ 131.6

  • The magnitude of the net electric field at the origin is E ≈<u> 131.6 N/C</u>

(b) The direction of the net electric field at the origin.

  • The \ direction \ is \ arctan \left(\dfrac{28.8}{-128.4} \right) \approx \underline{ 12.6^{\circ}} \ above \ the \ negative \ x-axis

Learn more about electric field strength here:

brainly.com/question/14743939

brainly.com/question/3591946

3 0
2 years ago
Astrology is pseudoscience. What can you conclude about the claims made by astrology?
mrs_skeptik [129]
D. Prefix “pseudo” means “false” or “unreal”
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4 years ago
WRITE ​an essay explaining the importance of making time for both work and play.
lana66690 [7]
Work and play are two usually conflicting things which should be carefully monitored and balanced in order for one to live a happy and successful life. Although work is necessary to be successful in life, too much work can result in exhaustion and loss of happiness in life. Working is needed, throughout one’s entire life, both to surpass obstacles and to achieve one’s goals; even students, whose jobs are school, are expected to work and reach towards their ambitions. However, play is necessary to maintain one’s happiness, and those who devote all their time to work and none to play often experience dissatisfaction and depression despite any and all achievements they attain. Human existence often focuses around enjoyment of life; in order to enjoy life, people must be allowed time to ‘play,’ to enjoy themselves even if it is not ‘productive.’ At the same time, playing all the time will leave no room for work, and this can result in loss of goals, achievements, and even other necessary things to survive. Work is needed to get through life, earn money, and be successful; yet too much work will result in one being overwhelmed and depressed. Playing is needed to live a fulfilling life and to be happy; yet too much play can leave someone without more necessary things or achievements to get them through life. Because of this, is can be concluded that someone must maintain a healthy balance between time spent working and time spent playing to be both happy and successful.

^ this is the most professional-sounding essay I could come up with off the top of my head... of course you could just utilize the main ideas if you want. Hope this helps at least in some way :)
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How do animals affect us?
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They provide food for us animal fur helps keep us warm and cats and dogs keep us company
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3 years ago
Write a 1,000 word narrative essay in the first person point of view.
BabaBlast [244]

Answer:

Hello!

Explanation:

I understand why you might need help, but please email a teacher about this. You can get in major trouble if you are just to copy and paste. A naritive story is very fun to write! Narrative writing is writing that has a story, characters, conflict, and other essential parts of a story. Narrative writing is often synonymous with a story. And this differs greatly compared to other forms of writing, like in textbooks and certain nonfiction books. So for example, you can rewrite a fairy tale and make it modern! For example, take Snow White, but make it take place in a post-apociliptic world! Or maybe take Cinderella and make it a story about a spy. Hope this helped!

5 0
3 years ago
Read 2 more answers
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