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vaieri [72.5K]
3 years ago
13

Why not two magnetic field lines can intersect? why not it is possible?

Physics
1 answer:
11111nata11111 [884]3 years ago
4 0
At each point on a 'line', the direction of the 'line' is the direction of the force
on a small test magnet placed in the field at that point.

If two 'lines' crossed at the same point, that means a small test magnet placed
at that point in the field would feel a force in two different directions.

But even if that were true, then the net effect on the small test magnet would be
the vector sum of the two forces, and they would be represented by a single net
force anyway, and therefore by a single field 'line' at that point.
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What are the coefficients in this expression?
skad [1K]

6 and \frac{1}{3}

Explanation:

The expression:

     6a - \frac{3}{4}  + 7.5 - \frac{b}{3}

 A coefficient is a numerical constant usually placed before a variable in an expression.

They are used to multiply variables.

 Given equation is;

   6a - \frac{3}{4}  + 7.5 - \frac{b}{3}

There are two variables in this expression which are;

  a and  - b

  6 (a) - \frac{3}{4}  + 7.5 - b (\frac{1}{3} )

The coefficients in this expression are:

    6 and \frac{1}{3}

learn more:

Quadratic equation brainly.com/question/1357167

#learnwithBrainly

7 0
3 years ago
Read 2 more answers
Which of the following planets were the ancient Greeks able to see and make careful observations of?
zepelin [54]

Answer:

Neptune and Uranus

Explanation:

Did a quiz on this not to long ago

5 0
3 years ago
A pitcher releases a fastball that moves toward home plate.
Vsevolod [243]

The two additional forces that act on the ball as it travels between the pitcher and the home plate are air resistance and gravity.

<h3>What are the forces that affect object in motion;</h3>
  • Air resistance: this is the force that oppose the motion of an object in air due to frictional force
  • Gravity: this is the force due to weight of the object and acts downwards.

The two additional forces that act on the ball as it travels between the pitcher and the home plate include:

  1. Air resistance and
  2. Gravitational force  

<h3>How the forces affect the motion of the ball</h3>
  • Air resistance oppose the motion of the ball as it travels in air.
  • Gravity is the force due to weight of the ball and acts downwards.

Learn more about forces on object in motion here: brainly.com/question/10454047

5 0
2 years ago
Nya has a cup of hot tea that she lets cool down for several minutes. What effect does cooling have on the tea?
Sveta_85 [38]
<span>An efect could be that sence the air us blowing on the hot tea that Nya has, an efect could be the temperatures mixing and the tea cooling down enough for Nya to drink</span>
3 0
3 years ago
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What are the 7 clues that a chemical change has occurred
Umnica [9.8K]

Answer:

Gas Bubbles Appear,

Formation of a Precipitate,

Color Change,

Temperature Change,

Production of Light,

Volume Change,

Change in Smell or Taste

Explanation:

8 0
3 years ago
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