Chris Rogers is AWESOME! Solved all my questions:)
Karma: 3
I dont think its 3, because they stated " IDENTICAL RAMPS", meaning everything is the same. How can it be "3" when they say one surface is rougher than the other? I think its 2, cos if the magnet is stronger, the attraction force is harder, thus it will take a longer time.
Math is COOL, FUN and EXCITING!
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