Question

an iron ball and a marble ball roll from rest down the inclined plane which goes to the bottom first?

Answer 1

Answer:

both goes to the bottom with same speed and at same time

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Answer 2

Answer:IRON BALL

Explanation:

Since both will go down with the same acceleration due to gravity, but due to buoyancy, viscosity and other factors, the density of the ball matters and since iron is denser than marble, iron ball will go to the bottom first.