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Simon Bridge
Jan25-12, 12:22 AM
Sci Advisor
HW Helper
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P: 12,482
I've seen those ... they are six of one and half-a-dozen of the other.
The trick with them is to do the physics first then translate your result into an answer the machine understands. The first part is physics, which is important for teaching/learning and the second is communication - learning is useless if you cannot talk about it and hey: it's marks.