Search found 622 matches
- March 12th, 2012, 6:18 pm
- Forum: 2012 Build Events
- Topic: MagLev C [Trial]
- Replies: 158
- Views: 54641
Re: MagLev C [Trial]
What have everyone's tests been like?
- March 12th, 2012, 6:17 pm
- Forum: 2012 Study Events
- Topic: Reach for the Stars B
- Replies: 214
- Views: 60007
Re: Reach for the Stars B
All I can remember is that the top two scores were tied with 95. I don't remember the rest.Epicfail21 wrote:Does anyone know have any scores for the R.C. Murphy/P. J. Gelinas Scrimmage?
I'm just little curious to see how everyone else did on that test.
- March 10th, 2012, 1:47 pm
- Forum: 2012 Study Events
- Topic: Astronomy C
- Replies: 176
- Views: 58330
Re: Astronomy C
The rearranged distance modulus equation is d = 10^((m-M+5)/5)FullMetalMaple wrote:When I worked the problem, I got 83 Mpc... I used the rearranged form of the distance modulus, though (d = 10^(m - M - 5)/5).
- February 25th, 2012, 2:26 pm
- Forum: 2012 Study Events
- Topic: Remote Sensing C
- Replies: 102
- Views: 41708
Re: Remote Sensing C
I came across this question and I was wondering how you solve it. Thanks! "If the satellite in the previous question is in a polar, sun-synchronous orbit at an altitude of 705 km, how many minutes and/or seconds of its orbital ground track would be covered by a square image area covering 180 km...
- February 25th, 2012, 11:08 am
- Forum: 2012 Study Events
- Topic: Astronomy C
- Replies: 176
- Views: 58330
Re: Astronomy C
Hmm, I've always used -19.3 for Type Ia supernovae. I've seen -19.3, -19.5, and -19.6, and it does sometimes affect the results. When they don't provide a constant to use, I just go with -19.3, but how exactly are participants supposed to know which value to use? It's probably best to use -19.3, un...
- February 24th, 2012, 7:03 pm
- Forum: 2012 Study Events
- Topic: Astronomy C
- Replies: 176
- Views: 58330
Re: Astronomy C
thank you! the links i found helped! but, how did you find the absolute magnitude from the light curve? or is it a given variable in the equation? There is a relationship that you need to find using this: http://outreach.atnf.csiro.au/education/senior/astrophysics/binary_variable_questions.html Als...
- February 23rd, 2012, 10:17 am
- Forum: 2012 Study Events
- Topic: Rocks and Minerals Question Marathon
- Replies: 888
- Views: 150167
Re: Rocks and Minerals Question Marathon
big question! I feel like i'm actually at a competition|A- chalk, formed in deep marine environments B- arkose, formed from weathered igneous and metamorphic rocks in cold arid conditions C- sandstone, formed by the deposition of sediment, usually in a water environment, like a lake or stream, but ...
- February 23rd, 2012, 7:32 am
- Forum: 2012 Study Events
- Topic: Rocks and Minerals Question Marathon
- Replies: 888
- Views: 150167
Re: Rocks and Minerals Question Marathon
Here Ya Go!|Identify the following Samples, and state their corresponding Sedimentary Environment. A [img]http://www.geolsoc.org.uk/webdav/site/GSL/shared/images/education_and_careers/RockCycle/RocksAroundBritain/Chalk%20resized.jpg[/img] B [img]http://skywalker.cochise.edu/wellerr/rocks/sdrx/6sand...
- February 22nd, 2012, 6:00 pm
- Forum: 2012 Study Events
- Topic: Rocks and Minerals Question Marathon
- Replies: 888
- Views: 150167
Re: Rocks and Minerals Question Marathon
ragi wrote:
Calcite?
- February 17th, 2012, 7:06 pm
- Forum: 2012 Study Events
- Topic: Rocks and Minerals Question Marathon
- Replies: 888
- Views: 150167
Re: Rocks and Minerals Question Marathon
Here ya go|[img]http://geology.com/minerals/photos/bauxite-14.jpg[/img] Identify the specimen. What element is this specimen the main ore of? What is the term for its appearance (in reference the the "circles" on the specimen, for lack of a better term)? I can't see the image, but I'm gue...