The frequency of light emitted from hydrogen present in the Andromeda galaxy has been found to be 0.10% higher than that from hy
drogen measured on Earth.
Is this galaxy approaching or receding from the Earth, and at what speed?
Is this galaxy approaching or receding from the Earth, and at what speed?
1 answer:
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Answer:
<em>-2 units of charge</em>
Explanation:
charge on A = Qa = -6 units
charge on B = Qb = 2 units
if the spheres are brought in contact with each other, the resultant charge will be evenly distributed on the spheres when they are finally separated.
charge on each sphere will be =
charge on each sphere = =
= <em>-2 units of charge</em>