The diagram illustrates the movement of sound waves between an observer and a race car. As the race car drives away from the obs
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Answer:
Charge on each metal sphere will be
Explanation:
We have given number of electron added to metal sphere A
As both the spheres are connected by rod so half -half electron will be distributed on both the spheres.
So electron on both the spheres
We know that charge on each electron
So charge on both the spheres will be equal to
So charge on each metal sphere will be equal to
The radius of a nucleus of hydrogen is approximately 
, while we can use the Borh radius as the distance of an electron from the nucleus in a hydrogen atom: 
The radius of a dime is approximately
: if we assume that the radius of the nucleus is exactly this value, then we can find how far is the electron by using the proportion
from which we find
So, if the nucleus had the size of a dime, we would find the electron approximately 500 meters away.
The radius of a dime is approximately
from which we find
So, if the nucleus had the size of a dime, we would find the electron approximately 500 meters away.