With the presence of air resistance, which of the following will reach the ground first? please provide an explanation for each pair -ball vs coin -paper vs feather

Q: m 100 kg 1 m

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Q: В 100 m 30 m

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Q: B 100 m 60 m 30 m E

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!