A metal bar has a volume at 20cm3 and a
Density of 2g/cm3. Calculate the mass of
the metal bar.
The mass of the metal bar is 40g.
M=V/D
M=20/2
M=40g
20cm3 ×2g/cm3
=40
To calculate the mass of the metal bar, you need to use the formula for density which is:
Density = Mass / Volume
We know the density of the metal bar is 2 g/cm3 and the volume is given as 20 cm3. So, rearrange the formula to solve for mass:
Mass = Density * Volume
Now substitute the values:
Mass = 2 g/cm3 * 20 cm3
Multiply 2 by 20:
Mass = 40 g
Therefore, the mass of the metal bar is 40 grams.