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Live with Passion, Lead with Compassion |
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HCI |
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Vectors [Section 2]: ScaLars & Vector Products |
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H2 Math Lecture on Vectors! Scalar Products 2.1, 2.2 & 2.3 Scalar Product, Its Properties and Geometrical Interpretation |
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The puzzle is taken from The Math Behind Numb3rs, Episode 509 Conspiracy Theory, A Nonrandom Matrix. This is the link. |
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2009 July 7, 8.00am - 8.20am |
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A Sudoko Puzzle |
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H2 Math Tutorial |
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Hope you will do well in your very first college Block Test!... Information For the two-day home-based learning, we will assume a 1-hour session for the math tutorial. For classes who happen to have two math tutorial sessions in the normal timetable for these two days, you may choose to go through the tutorial materials here on the first tutorial session, and use the second tutorial session to prepare the remaining questions in Tut 6A not covered here, as well as Qn 1, 2 and 3 of Tut 6B. Tut 6A Qn 1 - Qn 4, Qn 6 and Qn 8 (open from Internet Explorer browser) Tut 6A Qn 5 Tut 6A Qn 7 |
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A group of four people has to cross a bridge. It is dark, and they have to light the path with a flashlight. No more than two people can cross the bridge simultaneously, and the group has only one flashlight. It takes different time for the people in the group to cross the bridge: A crosses the bridge in 1 minute, B crosses the bridge in 2 minutes, C crosses the bridge in 5 minutes, D crosses the bridge in 10 minutes. How can the group cross the bridge in 17 minutes? Hint & Soln |
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Take a break!! |
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Lecture (continued) 2.4 & 2.5 Vector Product and its properties 2.6 Compute Vector Product |
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2009 July 7, 8.25am - 9.00am |
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End of lecture!! |
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We learnt how to multiply two numbers since young. However, are there ways we can multiply or even divide two vectors? Why do we want to even think about such things? |
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Another Puzzle |
