Aliah has a plastic toy that weighs 40g. What else does she need to know in order to calculate the density of this toy?
3 Answers
Well, she needs to know the volume....
Explanation:
By definition...
i.e.
Now if the toy floats on water then we know that
And if the toy sinks...
The volume
Explanation:
Given the mass of the toy is
calculate the density of the toy.
The formula for the density of a substance is
40g is the mass of the toy because it denotes the weight of the object.
The volume of the plastic toy is still needed to calculate the density.