1.

Which will come down with the greater speed ?a) fat sheet of foilb) crumbled ball of foilc) both of thesed) none of these​

Answer»

b.Crumbled ball of foil

By crumpling the aluminum into a ball, the volume of the OBJECT DECREASES but the mass remains the same. ... As AIR applies some resistance on falling SHEET of aluminum as WELL as crumpled ball but the resistance to the motion of crumpled ball through the air decreases that makes it to fall faster than the sheet of aluminum foil.

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