# Specific volume

1. Mar 17, 2016

### foo9008

1. The problem statement, all variables and given/known data
how to calculate the specific volume in this question ? the author didnt gave the ans though.
Should i take the volume displaced by the water or volume of the stone ?
the specific volume is given by the formula v= V / m

2. Relevant equations

3. The attempt at a solution

#### Attached Files:

• ###### Capture.PNG
File size:
51.6 KB
Views:
29
2. Mar 17, 2016

### SteamKing

Staff Emeritus
There's a relationship between specific volume and density you should know:

https://en.wikipedia.org/wiki/Specific_volume

3. Mar 17, 2016

### drvrm

what do you mean by " the volume displaced by the water " in the above. if you mean volume of water displaced by the stone- then its equal to volume of the stone as it is dipped in water.

4. Mar 17, 2016

### foo9008

So , specific volume = volume displaced / (25 / 9.81) or volume displaced / (20 / 9.81) ???

5. Mar 17, 2016

### drvrm

The specific weight (also known as the unit weight) is the weight per unit volume of a material
i think you are given the wt. of the material so divide by volume of the displaced water

6. Mar 17, 2016

### foo9008

which one is correct ? volume displaced / (25 / 9.81) or volume displaced / (20 / 9.81) ???

7. Mar 17, 2016

### drvrm

the specific volume of a substance is the ratio of the substance's volume to its mass. It is the reciprocal of density and an intrinsic property of matter as well.

8. Mar 17, 2016

### foo9008

so, it should be volume displaced / (25 / 9.81) ??

9. Mar 17, 2016

### drvrm

by the above definition it should be