Density of glycerin is 5/4 times water density.
Density of the sphere is 1/2 times water density.
<h3>How to find the density of sphere floats and glycerin?</h3>
Density is defined as the ratio of mass to volume, that is density is the amount of mass per unit of volume.
A substance's density exist defined as its mass per unit of volume. Density is most frequently represented by the symbol, however Latin letter D may also be utilized. If the mass or volume of an object is altered, the density of the thing may also change. Water, for example, has a specific density. An object will sink if its density exists greater than that of water; it will float if its density is lower.
Since a plastic sphere floats in water with 50% of its volume submerged.
So, the Density of the sphere = 1/2× water density
Since the same sphere floats in glycerin with 40% of its volume submerged.
So, the Density of the sphere = 4/100 × Glycerin density
= 2/5 × Glycerin density
Density of Glycerin = 5/2 of sphere density
Density of glycerin = 5/2 × 1/2 × water density
Density of glycerin = 5/4 × water density
To learn more about the volume of sphere floats refer to:
brainly.com/question/10827296
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