Question

the force between two point of change of coloumb each separate d by distance of an vaccine is​

Answer 1

Answer:

Explanation:

Let the two charges be Q  

1

​

 & Q  

2

​

 and according to coulom's force,

         

F

=  

R  

2

 

KQ  

1

​

Q  

2

​

 

​

 

where, ATQ,  

F

=9N

                     R=d

⇒9=  

d  

2

 

KQ  

1

​

Q  

2

​

 

​

 

9d  

2

=KQ  

1

​

Q  

2

​

⟶(1)

Now, in 2  

nd

 case when d→3d, force is given by,

F

 

1

=  

(3d)  

2

 

KQ  

1

​

Q  

2

​

 

​

=  

9d  

2

 

KQ  

1

​

Q  

2

​

 

​

⟶(2)

Substituting (2) into (1) will result to  

F

 

1

=  

KQ  

1

​

Q  

2

​

 

KQ  

1

​

Q  

2

​

 

​

=1N