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coldgirl [10]
2 years ago
6

Why is brainly so dumb? I am currently trying to get into my account right now, and even though I JUST changed it, it keeps sayi

ng “incorrect username or password”. Dont tell someone to make an account if you’re just going to lock them out of it.
Physics
2 answers:
MrRa [10]2 years ago
8 0

Answer:

That happens to me a few times.

Are you sure you are on Brainly.com and not Brainly.Ly?

icang [17]2 years ago
5 0

Simple. They spend more time trying to get money out of your pocket than fixing what obviously doesn't work :)

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A book sitting on a table is moved horizontally. Describe the
Akimi4 [234]

Frictional force and Applied force has same “magnitude” and “opposite” direction.  

Option: B  

<u>Explanation</u>:  

When a book is moved horizontally by applying “force” on the book, the frictional force is opposed to the book by the table. Here, this “frictional force” is opposing the book has the same force what we applied on the book but this frictional force and the applied force are opposite in direction. Always the “frictional force” is opposite to the “applied force” which stops the object to move. For example, if a force applied leftward to the object the frictional force is acted on the right side of the object.

When two objects are in contact they experience a "frictional force". This "frictional force" acts opposite to the force applied on to move the object.

Formula for "frictional force" is \mu\times N

Where, \mu is coefficient of friction and N is normal force.

3 0
3 years ago
What H &amp; N can friction produce?
Angelina_Jolie [31]
Friction produces heat hope this helps

5 0
3 years ago
you just saw a magazine ad that shows several people having fun at a football game. They are all wearing a specific shoe brand.
Scilla [17]
The answer for the question is bandwagon. Hope it helped :)

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3 years ago
Use the values from PRACTICE IT to help you work this exercise. If the current in each wire is doubled, how far apart should the
melisa1 [442]
Which behavior would best describe someone who has good communication skills with customers ? a) Following up with some customers b) Talking to customers more than listening to them c) Repeating back what the customer says d) Interrupting customers frequently
8 0
3 years ago
Determine a valid way of finding the wire’s diameter if you know the resistivity of the material, \rho , and can measure the cur
olganol [36]

Answer:

To find the diameter of the wire, when the following are given:

Resistivity of the material (Rho), Current flowing in the conductor, I, Potential difference across the conductor ends, V, and length of the wire/conductor, L.

Using the ohm's law,

Resistance R = (rho*L)/A

R = V/I.

Crossectional area of the wire A = π*square of radius

Radius = sqrt(A/π)

Diameter = Radius/2 = [sqrt(A/π)]

Making A the subject of the formular

A = (rho* L* I)V.

From the result of A, Diameter can be determined using

Diameter = [sqrt(A/π)]/2. π is a constant with the value 22/7

Explanation:

Error and uncertainty can be measured varying the value of the parameters used and calculating different values of the diameters. Compare the values using standard deviation

7 0
3 years ago
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