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Angelina_Jolie [31]
3 years ago
5

A systematic investigation which involves collecting, analyzing, and interpreting information in a sequential manner in order to

increase our understanding of the phenomenon of interest is also known as
Social Studies
1 answer:
Radda [10]3 years ago
3 0

Answer: Research

Explanation:

Research is the process through which investigation on any subject or topic is conducted on basis of sources and facts in systematic manner. This investigation is based on the gather materials and evidences that act as the initial step for carrying out the experiment for new outcomes.

Research mechanism includes steps of gathering related evidences, analyzing the procedure, evaluation of the results, studying the process etc in orderly way.

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Assume that the rod in Fig.31.2 has a length of 0.86 m,the resistor has value 2.2 ,and a magnetic field of 8.0 T is directed int
frutty [35]

1) 0.48 m/s

2) Clockwise

3) 10.3 N

Explanation:

1)

The figure is missing: find it in attachment.

As the rod is pulled along the rails, in the region of magnetic field, an electromotive force is induced in the rod itself, due to the change in magnetic flux through the circuit enclosed by the rod and the rails.

The magnitude of this induced electromotive force (which is equivalent to the potential difference induced in the rod) is

V=BvL

where:

B is the strength of the magnetic field

v is the speed of the rod

L is the length of the rod

Also we know that according to Ohm's law, the potential difference across the resistance is equal to

V=RI

where

R is the resistance of the rod

I is the current

Since the potential difference across the resistor is equal to the potential difference across the rod, we can combine the two equations, and we get:

BvL=RI\\v=\frac{RI}{BL}

Here we have:

R=2.2 \Omega\\B=8.0 T\\L=0.86 m\\I=1.5 A

Therefore, the speed of the rod must be:

v=\frac{(2.2)(1.5)}{(8.0)(0.86)}=0.48 m/s

2)

Here we have to apply Lenz's law, which states that the direction of the induced emf (and so, of the induced current) is such that it opposes the change in magnetic flux through the system.

First of all, here we notice that as the rod moves, the area enclosed by the circuit decreases: this means that the magnetic flux through the circuit decreases too.

As a result, the induced current must produce a magnetic field which goes in the same direction as the external field, in order to "restore" the magnetic flux. Here the external magnetic field points inside the paper, so the magnetic field produced by the induced current must also point inside the paper.

In order for that to happen, we see that the induced current must flow clockwise: in fact, if we take the rod and we apply the right-hand rule, we see that if we place the thumb towards the left (direction of the clockwise current), the other fingers "wrapped" point into the paper at the center of the circuit, so this is the correct direction.

3)

A current-carrying wire in a magnetic field experiences a force of magnitude

F=ILB

where

I is the current

L is the length of the wire

B is the strength of the magnetic field

Here we have

I = 1.5 A

L = 0.86 m

B = 8.0 T

So the force experienced by the rod is

F=(1.5)(8.0)(0.86)=10.3 N

Therefore, we must apply an equal and opposite force of 10.3 N in order to maintain keep the acceleration of the rod to zero, so that the velocity is constant, and the current is constant as well.

7 0
3 years ago
The ________ theory of personality emphasizes conscious thought processes, self-regulation, and the importance of situational in
olga_2 [115]

'The Social cognitive perspective theory of personality emphasizes conscious thought processes, self-regulation, and the importance of situational influences.

Self-regulation is the ability to understand and control one's own actions and reactions. Self-regulation helps children and young people learn how to behave, get along with others, and be independent. Self-regulation begins to develop rapidly in early childhood and preschool age.

In psychology, self-regulation means regulation not only by the self, but by the self. For example, we actively regulate or control whether we go to the gym, whether we eat cake, whether we maintain a positive attitude.

“Self-regulation refers to the self-directed process by which learners transform their intellectual competencies into task-relevant competencies” (Zimmerman, 2001). It is the method or process that learners use to manage and organize their thoughts and transform them into the skills they use to learn.

Learn more about Self-regulation brainly.com/question/3332334

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What is wormhole? paro welcome​
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Wormholes are solutions to the Einstein field equations for gravity that act as "tunnels," connecting points in space-time in such a way that the trip between the points through the wormhole could take much less time than the trip through normal space

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Why were some people concerned about the new pop culture and global village in the 1960s​
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Some people were concerned about the new pop culture and global village in the 1960s because they were worried that local cultures would disappear in an international pop culture

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In what part of the world do children celebrate the holidays by beating a hollow log with a stick?
SashulF [63]

<em>In Spain, some parents gift their children friendly-looking hollow logs as part of a unique Christmas tradition. Every night leading up to Christmas, the family “feeds” or stuffs the log with treats such as nuts, dates and candies.</em>

<em><u>F</u></em><em><u>o</u></em><em><u>l</u></em><em><u>l</u></em><em><u>o</u></em><em><u>w</u></em><em><u> </u></em><em><u>M</u></em><em><u>e</u></em><em><u>❤</u></em>

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