physics
thus far in the course we have ignored that on the earths surface an object must have a slightly unbalanced force to rotate with the earth, pretending that the normal force precisely balances the objects weight. A student with a mass of 65.0kg stands at the equator. The radius...
physics
the space shuttle typically orbits 400 km above the earths surface. The earth has a mass of 5.98 * 10^24 kg and a radius of 6380km. A) How much would a 2000 kg part for the space station weigh when it has been lifted to that orbit in the shuttles cargo bay? B)Use your result f...
MATH
if $250.00 IS INVESTED AT 6% COMPOUNDED MONTHLY WHAT IS THE AMOUNT AFTER 8YEARS
Chemistry
DrBob I wrote back and wanted to know if I did it right can you check my answers please
Chemistry
Consider 18.0 M H2SO4, if you need to make 250.0 mL of a 3.0 M solution of H2SO4, how would you do this? 18.0 M H2SO4 has a density of 1.84g/mL what is the molality of solution? Mass % of H2SO4 in the solution and the mol fraction of H2SO4 and water in the solution?
chemistry
#1 250mL x 3.0 M/18.0M = 41.67mL? #2 molality of solution??? Mass % 1764/1840x100= 95.87% Mol fraction...H2SO4. 18/22.2=.81 H2O 4.2/22.2=.18
chemistry
Consider 18.0 M H2SO4, if you need to make 250.0 mL of a 3.0 M solution of H2SO4, how would you do this? 18.0 M H2SO4 has a density of 1.84g/mL what is the molality of solution? Mass % of H2SO4 in the solution and the mol fraction of H2SO4 and water in the solution?
Computer Programming
Hello, Any help on the following problem would be greatly appreciated. The assignment is done with .java in eclipse. I have a class and a form with a Jlist, 2 text fields to enter the check amount and the ending Balance and a calulate button. I have some aspects working, but a...
Accounting
Basic NPV: No Salvage Value or Taxes Carrie Rushing is considering the purchase of a new production machine that costs $120,000. She has been told to expect decreased annual operating expenses of $40,000 for four years. At the end of the fourth year, the machine will have no s...
Chemistry
What kind of energy is primarily used to bring electricity to remote areas that are far from power lines? A. Kerosene B. Batteries C.Solar electric units D. Electrical network
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