Answer:
ratio between m/v
or d= m/v
m= mass
v= volume
I think C 250 it is correct
If an electron is added to an atom energy is given off because of the negative energy.
Explanation:
progession
We know, F = m.a
m = F/a
m = 99/11 = 9
So, The mass of the box is 9 Kg
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