<span><span><span>FIRST EQUATION OF MOTION
Vf = Vi + at</span> </span><span>Consider a body initial moving with velocity "Vi". After a certain interval of time "t", its velocity becomes "Vf". Now</span>Change in velocity = Vf - Vi <span>
OR
DV =Vf – Vi</span><span>Due to change in velocity, an acceleration "A" is produced in the body. Acceleration is given by</span>a = DV/t Putting the value of "DV"<span><span>a = (Vf – Vi)/t
at = Vf – Vi
at + Vi =Vf
</span>OR
</span><span>Vf = Vi + at
</span>
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Answer: The mass is 3.58*10^-2 g
Explanation: In order to calculate the mass corresponding to of a small spherical shot of copper inside a graduate cylinder with water we have considered the total volume of water incresed after put the cooper pieces.
In this sense the total increased volume of water is equal to the volume of the 125 small spherical shot of copper so we have the following:
0.5 mL= 125* volume of each piece of cooper=125*Vcopper
Vcooper=0.5/125 mL=5*10^-7 m^3/125=4*10^-9 m^3
Therefore the mass corresponding to each copper piece is equal to:
density of copper* Vcopper piece= 8960 Kg/m^3*4*10^-9 m^3=3.58*10^-5 Kg = 3.58*10^-2 g