Archive for November, 2007
Wednesday, November 28th, 2007
Mr.Bean:
This is yet another sample exam problem which I don’t quite know how to approach. Any help would be greatly appreciated. 5) Consider an object of mass m that moves in a circular orbit caused by a central force given by F=-kr, …
Share and Enjoy:
These icons link to social ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
quickclick330:
More sample exam problems… 2) The mass of our sun is ~ 2 x 10^30 kg. The mass of a planet is 6 x 10^24 kg. If the distance between the center-of-mass of each is 100 x 10^11 m, what is the distance in meters from the center-of-mass ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
reality-based educator:
This is a practice exam for the actual exam I have tomorrow and I need help understanding this problem. Thanks! Spring and two masses You hold up an object that consists of two blocks at rest, each of mass M = 3 kg, connected by a …
Share ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
unknown:
So what I want to do is… have all 3 numbers in the B matrix be variables and solve using my matrix A and matrix C… so usually in linear algebra, you set up the matrix like this: = = = And then you get the A matrix into ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
unknown:
Hi-DD is finding algebra & expanding brackets really tricky to get to grips with. I’m afraid I’m unable to help her as maths is not my best subject. She has spoken to her maths teacher who has tried to explain, in the end asking someone …
Read more
Posted in History | No Comments »
Wednesday, November 28th, 2007
unknown:
Mr.Bean:. This is yet another sample exam problem which I don’t quite know how to approach. Any help would be greatly appreciated. 5) Consider an object of mass m that moves in a circular orbit caused by a central force given by F=-kr, …
Read more
Posted in History | No Comments »
Wednesday, November 28th, 2007
Beta Carotene:
The 2002 No Child Left Behind law requires schools to test students annually in reading and math, and imposes sanctions on schools that miss testing goals. (and). US kids seem to get more reading instruction than others. …
Read more
Posted in History | No Comments »
Wednesday, November 28th, 2007
ii loVe u 4eva:
could not solve this exam problem completely please help: Variations in surface tension can cause a flow in a liquid.One of the chief causes for variation of surface tension is temperature.Consider a thin film of liquid on a flat …
Share and Enjoy:
These icons link to ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
unknown:
*Quiz Friday on measuring lengths in the metric and customary systems, weight and capacity in the metric and customary systems, converting within the systems and conversions from metric to customary, etc. (3-1 to 3-5) …
Share and Enjoy:
These icons link to social bookmarking sites where readers can share and discover ...
Posted in History | No Comments »
Wednesday, November 28th, 2007
unknown:
This nationally recognized program teaches math with the help of real-world examples drawn from movies, NASA space missions and medicine. Participants also put their math skills to work in the community by tutoring at-risk young people …
Read more
Posted in History | No Comments »