Question

A small stone and a ball of cotton of the same size are dropped from a certain height from earth surface why do these two not fall at the same time?​

Answer 1

Answer:

as due to the difference in their masses there is difference in their acceleration

Answer 2

BECAUSE A SMALL STONE MAY BE HEAVIER THAN THAT OF COTTON BALL, AS IN QUESTION IT IS GIVEN THE OBJECTS ARE OF SAME SIZE.

THE STONE WILL FALL FIRSTLY.