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On this site you'll find lots of logic puzzles and riddles, puzzling riddles,
science puzzles and math puzzles and riddles.

Answers and detailed solutions are included.

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science puzzle

Rolling from a slope

At the same time a block of iron and an equally heavy iron sphere are released from the top of a slope. Assume that the friction between the slope has a negligible effect on the velocity of the block and the sphere. Which of the two will be down first?

mail puzzle

rating 2.8/5

answer - solution

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Last changed 16-01-2010