Sunday
December 21, 2014

Posts by nika


Total # Posts: 26

Physics
A thin stick of mass M = 3.1 kg and length L = 1.6 m is hinged at the top. A piece of clay, mass m = 0.7 kg and velocity V = 4.0 m/s hits the stick a distance x = 1.20 m from the hinge and sticks to it. 1. What is the angular velocity of the stick immediately after the ...
February 12, 2014

solid mensuration
The base of a right prism is a rhombus whose sides are 12 inch and whose longer diagonal is 15 inch. Find its volume.
January 22, 2014

physics
yeah, thank's I got it.. sorry for bothering you, you gave me a great help.
January 6, 2014

physics
something is still incorect at the first part..
January 6, 2014

physics
A power plant burns coal and generates an average of 600.0 Megawatts (MW) of electrical power while discharging 900.00 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period. Coals vary a lot in their energy content. The energy released by...
January 6, 2014

Physics
Thank you very much :)
January 6, 2014

Physics
A power plant burns coal and generates an average of 630.0 MW of electrical power while discharging 1058.40 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period.
January 6, 2014

economics
The graph on the left shows the short-run marginal cost curve for a typical firm selling in a perfectly competitive industry. The graph on the right shows current industry demand and supply. a. What is the marginal revenue that this perfectly competitive firm will earn on its ...
November 8, 2012

Finance
ABC Drilling has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a market value of $300,000, its earnings are growing at a 5% rate, and its tax rate is 40%. A similar firm with no debt has a cost of equity of 12%. Under the MM extension with ...
April 10, 2012

Finance
ABC Drilling has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a market value of $300,000, its earnings are growing at a 5% rate, and its tax rate is 40%. A similar firm with no debt has a cost of equity of 12%. Under the MM extension with ...
April 10, 2012

math
If the area of the grass, before removing the innermost track lanes, is approximately 9615 square meters, how many square kilometers of grass are there?
March 26, 2012

chemistry
Hi, I'm doing the same assignment. I got to the part where you added the reactions and got the K3 = 31. Then, I got stuck I don't understand why you're doing the 4.00/7.75 and then stating that 1 +(4.00/7.75) = 4.5? isn't that 1.52 instead of 4.5?
February 12, 2011

chemistry
Really need help on figuring out the formula for Iron Complex. The question was: 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2*SO4*6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. I got the moles of ferrous ammonium sulfate but I ...
November 28, 2010

Math
what is the volume of a sphere that has the same diameter and height of a cylinder that is 24 cubic feet in volume?
November 11, 2010

Math
How many cubic units are in the volume of a cylinder whose height is four units and whose radius is five units? What is the surface area of a cube whose volume is 27 cubic inches?
November 11, 2010

Math
what is the volume of a sphere that has the same diameter and height of a cylinder that is 24 cubic feet in volume?
November 11, 2010

nutrient
you determine that 1 ounce of the peanut butter container contains 115 calories and 9 grams of fat. What percent of the calories come from fat?
April 15, 2010

Algebra 1
thnx!
September 17, 2009

algebra 1A
3x+5y
September 17, 2009

math
correct!!
September 17, 2009

math
1734 is greater than 175 cuz 1734 has 4 place values-- ones tens hundreds nd thousands and 175 has 3 place values-- ones tens nd hundreds.
September 17, 2009

science
how is heat measured in a calorimeter?
September 16, 2009

Scholarships
wold crisis
June 24, 2009

trigonometry
what direction of rotation generates and angle with a measure of -90 degrees? of 120 degrees? what portion of a complete rotation is -90 degrees? 120 degrees?
June 23, 2009

health
How do health care facilities use electronic medical records
July 17, 2008

Introduction to Health Care
What did you see as being the greatest challenge for the case worker in this simulation? What other challenges do caseworkers face when working with placement of the elderly in long-term care facilities? Do you see any alternatives to Mrs. W’s long-term care situation? If...
June 21, 2008

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