Abdul
Most popular questions and responses by Abdul
Chemistry
If a 0.5mL air bubble is present in the tip of a buret, what percent error in 10mL, 20mL, and 40mL samples will be result if the air bubble is dislodged during the dispensing of the samples?
asked on July 22, 2009 
Maths
110 members of a sports club play atleast one of the games, football, basketball and volleyball. If 20 play football and basketball only, 15 play football and volleyball only, 26 play basketball and volleyball only, x play all the three games, 2x each play
asked on October 24, 2014 
physics
Four charges are placed at the four corners of a square of side 15 cm. The charges on the upper left and right corners are +3 μC and 6 μC respectively. The charges on the lower left and right corners are 2.4 μC and 9 μC respectively. The net
asked on January 5, 2016 
Physics
A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The spring has a force constant of 1.64 kN/m. How much is the spring compressed when a object of mass m = 2.35 kg is placed on top of the spring and the system is
asked on April 26, 2013 
Physics
A force of 20N applied parallel to the surface of a horizontal table is just sufficient to make a block 4kg move on a table, calculate coefficient of friction between the block and the table.
asked on July 30, 2017 
Business Math
An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three
asked on November 11, 2016 
CHE103
describe the hazards you should be aware of when you use 2.0 M HCl solution
asked on April 13, 2011 
Physics
What is the average braking force required of a 1200kg car in order for it to come to rest from 60km/h in a distance of 25m
asked on September 1, 2014 
Math
A 21% oil gas mixture is to be formed by mixing 80% and 20% oil_gas mixtures. If 35L are required l, how much of each should be used?
asked on February 11, 2019 
Business Math
An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three
asked on November 11, 2016 
english
can someone help take out the fragments Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw
asked on October 28, 2013 
Business Math
An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three
asked on November 12, 2016 
physics
A highway is being constructed to accommodate traffic for speeds of 22.8 m/s. If the angle of the bank is 6.28° and there is no friction force, what is the highway's curve radius?
asked on October 24, 2016 
chemistry
You weigh an empty dish and find its mass to be 48.0 grams. After you add a volume of salt water to the dish the mass of the dish and salt water is now 74.0 grams. After 100% of the water has been evaporated, the mass of the dish and the remaining salt is
asked on September 5, 2014 
physics
A barge is hauled along a straightline section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 460 N at an angle of 17° with the centerline of the canal. What is
asked on February 3, 2013 
physics
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 23.0 m/s at an angle of 54.0° above the horizontal. How high will
asked on February 3, 2013 
Math
74%of315=
asked on November 1, 2018 
Physics
A 75 kg laboratory technician working with the radioactive isotope 137Cs receives an accidental 100 mrem exposure. 137Cs emits 0.66 MeV γray photons. a) How many γ ray photons are absorbed in the technician’s body? b) How many rad of alpha radiation
asked on April 5, 2018 
Math
Atop 50m tower, Jack sees smoke in two areas. One is on a bearing of 40degrees with an angle of depression of 8degrees, and the other on a bearing of 205degrees with and angle of depression of 13degrees. How far apart are the smoke sources? I'm not sure
asked on January 24, 2015 
Physics
A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does not change when the sound enters the water. The wavelength of the sound is 3.52 m in the air, and the temperature of both the air
asked on April 9, 2018 
Business Math
An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three
asked on November 11, 2016 
english
correct these paragraphs Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw meat scraps and
asked on October 28, 2013 
Chemistry
Vitamin K is involved in normal blood clotting. When 2.32 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 7.78 °C. The freezing point and Kf constant for camphor can be found here. Calculate the molar
asked on December 7, 2014 
chemistry
calculate the density of a solid if a cube meassuring 2.04cm on one side has a mass of 124g ......................g/cm3 calculate the mass of a cube the same substance measuring 7.97cm on one side enter your answer in scientific notaation
asked on September 7, 2014 
Physics
What is the average braking force required of a 1200kg car in order for it to come to rest from 60km/h in a distance of 25m Physics  Damon, Monday, September 1, 2014 at 6:51am Vi = 60 km/h (1 h/3600 s)(1000 m/km) v = Vi + a t 0 = Vi + a t t = Vi/a d = Vi
asked on September 1, 2014 
Chemistry
carry out the following conversions.Enter your answer in scientific notation a)232 amu to grams (b)135 amu to kilograms (c)3.03 amu A to meters (d)3.19 A to nanometers
asked on September 7, 2014 
chemistry
Given that PVnR=T, solve for n if P = 36.0, V = 8.6, R = 0.08, and T = 200
asked on September 5, 2014 
Math
Find how many terms has an a.p whose common diffrence and first term are respectively negetive 6 and 8 and the last term is 82.
asked on March 22, 2011 
bio 106
Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look
asked on August 5, 2013 
Physics
An artillery gun on a battle ship is capable of launching a shell at a vertical velocity of 400 m/s. A target is 40 Km away and 500 m above the ground. what is the maximum range the target can be away from the gun if the target is 500 m above the ground?
asked on February 23, 2016 
math
If the average chicken lays 6 eggs in 7 days, how many chickens on average are needed to obtain 163 eggs per day?
asked on September 5, 2014 
bio 106
List foods that you find in the store from each plant part listed below: a. roots or underground stems b.leaves c.seeds or nuts d.. flowers or flower bud e.fruits f. aboveground stems
asked on August 5, 2013 
bio 152
Describe a series of small habitats that exist within 10 or 20 kilometers of your house and which might be subject to MacArthur and Wilson’s theory of island biogeography.
asked on August 3, 2013 
Genral chemistry
if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?
asked on March 30, 2011 
Science
A 55 kilogram person and a 65 kilogram person climb 8 meters up a flight of stairs in 10 seconds. Compare power used by each person
asked on March 3, 2016 
bio152
the logistic population growth model, rN[(KN)/K], describes a population's growth when an upper limit to growth is assumed. As N approaches (numerically) the value of K, additions to the population
asked on August 8, 2013 
Knowledge Management
Tacit knowledge, Explicit knowledge, General knowledge and Specific Knowledge are different types of knowledge. Case (A) An industrial engineer who has specialized in rust preventing techniques wants to build a car that would be resistant to the affects of
asked on May 4, 2010 
general knowledge
antonym for coneal
asked on February 22, 2008 
physics
A tumor of 120 g absorbs a total of 1.7 J of energy. Determine the absorbed dose in rads. I have no idea, any help is greatly appreciated!
asked on April 4, 2018 
history.geography.life sciences.maths
What career can i study
asked on May 7, 2015 
Engineering Math
A Theme Park site is being designed. It will occupy a rectangular piece of land 800m by 600m. There are to be 4 particularly noisy rides. The ‘Drumbeat’ uses music which reaches a level of 95dB(A). The ‘Bigdrop’ generates screams which can reach
asked on January 28, 2013 
business
Quality Management Plan for followoing case: You are working for We Are Big, Inc., an international firm with over 100,000 employees located in several different countries. A strategic goal is to help improve the environment while increasing revenues and
asked on June 23, 2012 
Maroeconomics
Question 02: Consider an economy described by the following equations: Y=C+I+G Where, Y = 6,000, G = 2,000, T = 2,000 C = 300 + 0.50 (YT) I = 2,000 – 60r In this economy, compute: a. Private saving b. Public saving c. National saving d. The equilibrium
asked on May 4, 2010 
Chemistry
Ok so we had a mass determinations lab in chemistry. We were supposed to use both a triple beam balance scale and an electronic scale to precision. We first weigh our beaker on both scales (i did it on the electronic first), then record the weight. Then we
asked on July 14, 2009 
Chemistry
How many ml of HCl required to prepare 5% of HCl solution in 750ml water.if HCl is 36% pure and specific gravity is 1.18g/ml?
asked on March 31, 2017 
Chemistry
0.4 moles ofpcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained
asked on October 24, 2016 
bio 106
Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from. name the culture, the food or product and the plant used to make it. its a research
asked on August 5, 2013 
Chemistry
What is the chemical reaction between Phosphoric Acid and Disodium Phosphate?
asked on August 23, 2011 
maths
how many revolution will a wheel having 56cm diameter make to cover a distance of 11km?
asked on February 13, 2011 
chemistry
Briefly explain how the neutrons were discovered.
asked on August 4, 2017 
computer
code for a program to display a payroll in C++ to calculate the salary and bonus % show the name, age and rank.
asked on February 3, 2015 
chemistry
The average cooling rate of a cup of coffee is 24 °C per minute, and you can begin to sip the coffee when it is 60 °C. How long must you wait before you can begin to sip the coffee if the initial coffee temperature is 156 °C?
asked on September 5, 2014 
chemistry
Density (d) is mass (m) divided by volume (V) (d = mV). Mass is typically measured in grams (g), while volume is typically measured in milliliters (mL). How much volume will 550 g of a solution with a density of 1.10 g/mL occupy?
asked on September 5, 2014 
Calculus I
If y^3 + y^2 = 7x^2 + 224 and y(2) = 6 then y'(2)= [???]
asked on October 15, 2013 
bio 106
k list various types of ethnicities and their food or products and plants used to make them
asked on August 5, 2013 
bio 106
Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look
asked on August 5, 2013 
PDHPE
Explain the improve of the components of fitness on power, speed, flexibility and strength.
asked on May 31, 2008 
Albert Academy
What was the significance of the alpha particle scattering experiment?
asked on August 4, 2017 
physic
Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,
asked on May 1, 2017 
Chemistry
0.4 moles of pcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained
asked on October 24, 2016 
math
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
asked on January 8, 2015 
biology
why meiosis is named as meiosis 1and2?
asked on October 23, 2014 
chemistry
Rearrange and solve the following equation for λ: hvλ=mv2
asked on September 5, 2014 
physics
police officer in a patrol car parked in a 70km/h zone observe a passing automobile travelling at a slow. constant speed. believing that of the automobile might be intoxicated the officer starts his car acceleration uniformly to 9km/h in 8s. and
asked on October 17, 2013 
school of engineering
A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient
asked on October 16, 2013 
physics
At t = 0, an automobile traveling north begins to make a turn. It follows onequarter of the arc of a circle of radius 9.1 m until, at t = 1.84 s, it is traveling east. The car does not alter its speed during the turn.
asked on February 3, 2013 
business
I need how to write Quality Management Plan
asked on June 23, 2012 
Maths
Simplify 5*+*
asked on March 28, 2012 
math finance
Consider the Nperiod binomial model and processes Y0,Y1,...YN and C0,C1,...CN. Suppose that Y is Markov and C is deterministic (i.e., Cn does not depend on the coin flips ù). a) Show: If Cn doesn't equal 0 for all n, then C0Y0,C1Y1,....,CNYN is Markov.
asked on March 15, 2012 
ar ALABAT ACDEMY GOVERNMENT subject
How does the legislature check the power of Executive organ of government in a persidential system
asked on December 11, 2011 
South bank uni
How many points of inflexion dose the function y= x^4 have
asked on July 15, 2015 
Maths
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
asked on January 7, 2015 
math
tam75/2
asked on October 11, 2014 
math
You have a box which contains only red marbles and blue marbles. The mass of one red marble is 16 grams, while the mass of one blue marble is 20 grams. If the box contains 21 red marbles and 18 blue marbles, what is the total mass of the marbles in the
asked on September 5, 2014 
school of engineering
A train of mass 200 tonne travelling at 140 km/hour applies the brakes fiercely, so that the brakes lock and the wheels slide along the rails. It stops after sliding 1000m. Calculate: (i) The acceleration, (ii) The longitudinal force on the rails, (iii)
asked on October 16, 2013 
school of engineering
a motor of mass 1500 kg accelerates from 50 km/h to 100 km/h in 10 seconds.calculate. (i)The acceleration in metre/second2. (ii)The distance travelled. (iii)The force on the vehicle.
asked on October 15, 2013 
bio 106
. Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from:
asked on August 5, 2013 
math
The cylinder x2+y2=16 divides the sphere x2+y2+z2=100 into two regions I (for the region inside the cylinder), and O (for the region outside the cylinder). Find the ratio of the areas A(O)/A(I) .
asked on April 6, 2012 
Islamic
What is velt
asked on October 22, 2011 
math
Given that a  c = P, solve for P if a + b = 49 and b + c = 13
asked on September 5, 2014 
phyiscs
A car has an acceleration of 0.5g. calculate the time for the car to accelerate from 10m/s to 25m/s
asked on October 15, 2013 
school of engineering
A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient
asked on October 15, 2013 
Engineering Math
A Theme Park site is being designed. It will occupy a rectangular piece of land 800m by 600m. There are to be 4 particularly noisy rides. The ‘Drumbeat’ uses music which reaches a level of 95dB(A). The ‘Bigdrop’ generates screams which can reach
asked on January 28, 2013

geography
Can someone describe the drainage pattern of the rivers of the balochistan. . .
posted on July 17, 2019 
math
You multiply 400 × 1/5 which gives you 80 you subtract 40080 which gives you 320. You then multiply 320 × 1/8 which gives you 40 bad ones, you subtract 320 40 and it gives you 280 good ones.
posted on February 11, 2019 
Soical Stuides
الله جيد
posted on July 25, 2018 
debate
ANSEW
posted on July 4, 2018 
physics multiple choice MCQ 2 i need help please @all respective sir & bro
All of the above
posted on June 19, 2018 
Physics
What do I use as the speed of water and air?
posted on April 9, 2018 
math
505=45. 45 divided by 7=6.3
posted on November 13, 2017 
7th grade math
the diver reach a depth of 4 meters what is change in elevation of the diver?
posted on September 13, 2017 
Right Hand Rule
west, zerodeflection, up, and down
posted on March 7, 2017 
Chemistry
a 184.275 g
posted on February 9, 2017 
algebra
6byears;(7b+2y)years
posted on November 4, 2016 
Chemistry
I want answer
posted on October 24, 2016 
math
all of the dimensions are 8
posted on June 7, 2016 
Math
Ans 0.3673
posted on May 15, 2016 
chemistry
1305.41 26.78
posted on March 21, 2016 
Math, geometry
yes
posted on December 8, 2015 
Math
kma is corret
posted on November 23, 2015