The cotton will fall slower than the heavy stone of same mass because of the density of the substances, which affects air resistance.
Air resistance is the action of friction that slows something moving through air.
It is worthy to note the air resistance is not dependent on the mass of an object but on the velocity and density of that object.
According to this question, a heavy stone and a cotton having same masses are dropped from certain height on the surface of the Earth.
Based on difference in densities, the cotton will fall slower than the heavy stone because the density of the stone is greater.
Learn more about air resistance at: https://brainly.com/question/8141158
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