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Sophie [7]
3 years ago
9

Joanna has become good friends with Janna, whose name begins with the same letter as hers. They sit next to each other in three

classes. This is an example of the importance of _____ in making friends.
a. common interests b. proximity c. shared values d. social background
Physics
2 answers:
solmaris [256]3 years ago
5 0
Proximity -------------------- APEX
RideAnS [48]3 years ago
5 0

Answer: Option (b) is the correct answer.

Explanation:

Proximity means closeness, that is, whether two or more individuals are close in a relationship, time, space etc it is known as proximity between them.

Therefore, when Joanna and Janna are sitting next to each other then it means there is less space between them as they are sitting together.

Hence, we can conclude that this is an example of the importance of proximity in making friends.

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An electron is released form rest in a region of space where a uniform electric field is present. Joanna claims that its kinetic
djyliett [7]

Answer:

Neither.

Explanation:

When an electron is released from rest, in an uniform electric field, it will accelerate moving in a direction opposite to the field (as the field has the direction that it would take a positive test charge, and the electron carries a negative charge).

It will move towards a point  with a higher potential, so its kinetic energy will increase, while its potential energy will decrease:

⇒ ΔK + ΔU = 0 ⇒ ΔK = -ΔU = - (-e*ΔV)

As ΔV>0, we conclude that the electric potential energy decreases while the kinetic energy increases in the same proportion, in order to energy be conserved, in absence of non-conservative forces.

4 0
3 years ago
What do the different colors in a line spectrum represent? why are the spectra for each element unique?
Lana71 [14]
They typically represents different wavelengths of element due to its energy emission in the form of visible light. When an electron of that particular element move from a higher energy level down to a lower energy level, it gives off energy in the form of photon emission. Atom of a certain element has a unique electron arrangement thus it can considered that particular element's spectrum is unique.
8 0
3 years ago
Aliens? do you believe?<br><br>To get the points go into detail :)
zzz [600]

Answer:

Yes

Explanation:

There are so many planets out there that there must be habitable planets if not in our galaxy but the Universe.

Although the chances of advanced life are slim, small primitive life like microbes or sea life may still exist.

7 0
3 years ago
Read 2 more answers
A ball is thrown straight up from ground level. It passes a 2-m-high window. The bottom of the window is 7.5 m off the ground. T
slamgirl [31]

Answer:

u=14.48m/s

Explanation:

From the question we are told that:

Height of window h=2m

Height of window off the ground h_g=7.5m

Time to fall and drop t=1.3s

 

Generally the Newton's equation motion  is mathematically given by

 s=ut+\frac{1}{2}at^2

Where

h=ut+\frac{1}{2}at^2

2=u1.3-\frac{1}{2}*9.8*1.3^2

2=u1.3-8.281

u=7.91m/s^2  

Generally the Newton's equation motion  is mathematically given by

2as=v^2-u^2

Where

-2gh_g=v^2-u^2

-2*9.8*7.5=(7.91)^2-u^2

-147=62.5681-u^2

u=\sqrt{209.5681}

u=14.48m/s

Therefore the  ball’s initial speed

u=14.48m/s

8 0
3 years ago
Air bubbles being released when breathing from the mouth
Inessa [10]

Answer:

air embolism

Explanation:

8 0
2 years ago
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