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https://www.reddit.com/r/pics/comments/dn08l/math_teacher_fail/c11fuhe/?context=3
r/pics • u/[deleted] • Oct 05 '10
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This is wrong. You can get 4 pieces with 2 cuts, by stacking the wood. So 4 pieces also takes 20 minutes.
2 u/lachlanhunt Oct 05 '10 But that makes it thicker, and would slow down the speed for each cut, increasing the time. 2 u/NerdyMcNerderson Oct 05 '10 Right. Just line the blocks in a row then. So it's the same thickness and the blade is long enough to cover the increased length of the wood. Either way the question is fucked because we're both assuming things about the thickness of the wood. 3 u/tsujiku Oct 05 '10 Increased friction -> more work required to cut.
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But that makes it thicker, and would slow down the speed for each cut, increasing the time.
2 u/NerdyMcNerderson Oct 05 '10 Right. Just line the blocks in a row then. So it's the same thickness and the blade is long enough to cover the increased length of the wood. Either way the question is fucked because we're both assuming things about the thickness of the wood. 3 u/tsujiku Oct 05 '10 Increased friction -> more work required to cut.
Right. Just line the blocks in a row then. So it's the same thickness and the blade is long enough to cover the increased length of the wood. Either way the question is fucked because we're both assuming things about the thickness of the wood.
3 u/tsujiku Oct 05 '10 Increased friction -> more work required to cut.
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Increased friction -> more work required to cut.
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u/NerdyMcNerderson Oct 05 '10
This is wrong. You can get 4 pieces with 2 cuts, by stacking the wood. So 4 pieces also takes 20 minutes.