Question

If you start with a water level at 150 mL in a graduated cylinder & you drop in a stone
and the level raises to 157 mL, what is the volume of the stone?
a. 0 mL
b. 7 mL
c. 157 mL
d. 150 mL

Answer 1

$\tt\huge\red{A}\pink{n}\orange{s}\green{w}\blue{e}\gray{r}$

The fluid displaced has a weight W = mg, where g is acceleration due to gravity. Therefore, the weight of the displaced fluid can be expressed as W = ρVg. The weight of an object or substance can be measured by floating a sufficiently buoyant receptacle in the cylinder and noting the water level.

$\tt\huge\red{❥︎A}\pink{n}\orange{s}\green{h}\blue{u}\gray{}$