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thank you very much :smile:. so b and d are both negative in both the ihat and jhat value. can i put those in the third quadrant? question a is prompting for what vector operations could result in -38 units^2. so am i supposed to use the i hat as an imaginary number? i can't think...

Homework Statement I'm sure this is quite simple, but I don't understand the notation. This is from a supplemental book that we have to do outside of class--there isn't a matching textbook and I really don't understand what they want here. Homework Equations I noticed that if i square...
3. Resources for understanding haplotype blocks and linkage disequilibrium?

Here's another link that is pretty informative. About twenty minutes on that page should give you a pretty solid understanding: http://www.genome.gov/10001665
4. Cummulative blocks on a rope, tension problem

Thanks again. So it was the first way. I was able to do several more problems given that information. One of my big mistakes was not realizing that one box could be involved in multiple action-reaction pairs. I was trying to balance the boxes on both sides as well as the ropes which...
5. Cummulative blocks on a rope, tension problem

trying again to add teh picture
6. Cummulative blocks on a rope, tension problem

I'm sorry. I am so confused. Trying again here--I editted the picture. I have checked all the definitions again. So in the gray box we have this rope. The acceleration of the 2block/1box unit is 2a. The mass of the 2 blocks is 2 each. The force on the rope B is 4ma. The...
7. Cummulative blocks on a rope, tension problem

Thank you both for your answers. It is so kind of you to spend time helping confused students. I truly appreciate what you are doing here. I am attaching a scan of the question for clarification. I hope the question I asked earlier matches the picture. If not, could you please tell me how...
8. Cummulative blocks on a rope, tension problem

This isn't a joke, I really don't know if this is right or wrong. Please let me know if this is wrong so I can learn what I am not getting right. Homework Statement Three different sets of boxes are being pulled along frictionless surfaces attached to a rope that ends with the rightmost box...
9. Find a function with the same maximum and minimum? What?

two thoughts: 1) are discontinuous functions allowed? 2) how about a function with a local min equal to a local max?