Saturday
October 25, 2014

Posts by md


Total # Posts: 16

Power circuit theory
A three phase fully transposed transmission line ha s solid conductors of 2 cm diameter, spaced at distances between centres of 3.65 m, 5.5 m and 8.2 m. Determine the inductance of the complete line per km.
August 20, 2014

Chemistry
Balanced equations..done? Is each reaction a redox reaction? For those reactions that are redox reactions, I must identify the substance being oxidized and the substance being reduced... (a) Zn(s) + CoCl2 (aq) ---> ZnCl2 (aq) + Co(s) (b) HI(aq) + NaOH(aq) ---> H2 O(l) + ...
June 29, 2014

Chemistry
Which of the following are requirements for anionic polymerization? a)A double bond b)End groups which can react by releasing a small molecule c)A strong base to initiate the reactionA strong acid to initiate the reaction d)An electron-withdrawing group near the double bond ...
November 19, 2013

statistics
The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 410 grams and a standard deviation of 10 grams. Find the weight that corresponds to each eventa. A.Highest 30 percent b. Middle 70 percent to c. Highest 90 percent d. Lowest 20 ...
April 7, 2013

math
A cliff on the bank of a river is 300m high if angle of deprssion of a point on the oposite side of the river is 60 digree find the wigth of the river
February 2, 2013

precalculus
if f(x)=2x and g(x)= x+1 , what do you think someone means by (f+g)(x)? what about (f/g)(x)?
September 9, 2012

chemistry
so am I treating density as Sp. heat?
February 22, 2012

chemistry
25.6 {\rm mL} of ethanol (density =0.789 {\rm g}/{\rm mL}) initially at 8.0^\circ {\rm C} is mixed with 39.5 {\rm mL} of water (density = 1.0 {\rm g}/{\rm mL}) initially at 23.1^\circ {\rm C} in an insulated beaker. Assuming that no heat is lost, what is the final temperature ...
February 22, 2012

From Theory To Practice
1.a 2.b 3.d 4.a 5.b 6.c 7.a 8.? 9.c 10.a 11.a 12.? 13.? 14.? 15.c 16.d 17.a 18. b 19. D 20.c
November 2, 2011

physics (Mathmate)
The space shuttle is in a 250 mile high orbit. What are the shuttle's orbital period, in minutes and its speed?
June 16, 2010

physics
A 1.6 kg disk with radius 0.63 m is rotating freely at 55 rad/s around an axis perpendicular to its center. A second disk that is not rotating is dropped onto the first disk so that their centers align, and they stick together. The mass of the second disk is 0.45 kg and its ...
June 9, 2010

Physics
thnks so much
May 25, 2010

Physics
A skier of mass 64 kg starts from rest at the top of an 18° slope, points her skis straight down the slope and lets gravity pull her down the slope. The slope is 65 m long. Her speed at the bottom is 15 m/s. (a) Assuming zero air resistance, what is the magnitude of the ...
May 25, 2010

Biology
What molecules cycle between the light and light independent phase of photosynthethis?
February 10, 2010

Biology
what molecules cycle between the light dependent and light independent stages of photosynthethis
February 10, 2010

chemistry
planar
October 3, 2008

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