Saturday
April 30, 2016

# Posts by Abdul

Total # Posts: 103

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
March 3, 2016

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?
February 23, 2016

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 electric ...
January 5, 2016

Math
kma is corret
August 15, 2015

South bank uni
How many points of inflexion dose the function y= x^4 have
July 15, 2015

history.geography.life sciences.maths
What career can i study
May 7, 2015

computer
code for a program to display a payroll in C++ to calculate the salary and bonus % show the name, age and rank.
February 3, 2015

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 how bearings work ...
January 24, 2015

math
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
January 8, 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.
January 7, 2015

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 mass of vitamin K.
December 7, 2014

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 only one game, how ...
October 24, 2014

biology
why meiosis is named as meiosis 1and2?
October 23, 2014

math
tam75/2
October 11, 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
September 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 ..................x10 g
September 7, 2014

chemistry
Given that PVnR=T, solve for n if P = 36.0, V = 8.6, R = 0.08, and T = 200
September 5, 2014

chemistry
Rearrange and solve the following equation for λ: hvλ=mv2
September 5, 2014

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 52.5 grams. What is ...
September 5, 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 box?
September 5, 2014

math
If the average chicken lays 6 eggs in 7 days, how many chickens on average are needed to obtain 163 eggs per day?
September 5, 2014

math
Given that a - c = P, solve for P if a + b = 49 and b + c = 13
September 5, 2014

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?
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?
September 5, 2014

Physics
I found my mistake thanks
September 1, 2014

Physics
September 1, 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 t + (1/2) a t^2 25...
September 1, 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
September 1, 2014

History
b and c is correct
February 28, 2014

chemistry
When a mixture of 13.0g of acetylene (C2H2) and 13.0g of oxygen gas is ignited, the resultant combustion reaction produces carbon dioxide and water. What is the limiting reactant? any helper
February 20, 2014

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 ate them. Later they ...
October 28, 2013

english
re(ms.sue) so how would i correct the paragraph?
October 28, 2013

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 meat scraps and ate ...
October 28, 2013

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 maintaining a constant velocity...
October 17, 2013

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) The coefficient of ...
October 16, 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 of friction between ...
October 16, 2013

Calculus I
If y^3 + y^2 = 7x^2 + 224 and y(2) = 6 then y'(2)= [???]
October 15, 2013

phyiscs
A car has an acceleration of 0.5g. calculate the time for the car to accelerate from 10m/s to 25m/s
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 of friction between ...
October 15, 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.
October 15, 2013

bio152
the logistic population growth model, rN[(K-N)/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
August 8, 2013

bio 106
k list various types of ethnicities and their food or products and plants used to make them
August 5, 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. name the culture, the food or product and the plant used to make it. its a research paper. just act like you...
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 for the ethnic section...
August 5, 2013

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
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 for the ethnic section...
August 5, 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:
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.
August 3, 2013

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 at rest?
April 26, 2013

Life science, history, geography, and maths literacy
April 8, 2013

Information Systems
I'm looking for the answer also.
February 25, 2013

physics
A barge is hauled along a straight-line 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 the net force 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 the ball rise? . m ...
February 3, 2013

physics
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter 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.
February 3, 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 98dB(A). ...
January 28, 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 98dB(A). ...
January 28, 2013

Biology
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.
December 11, 2012

math
42.42
December 4, 2012

chemistry
Thank you!
November 22, 2012

chemistry
I know it is NOT d)[(1/2)(1/2ˉ)1ˉ] for Image One and A)(1ˉ02) for image two. One submission left!
November 22, 2012

chemistry
Name the following crystallographic features below using proper crystallographic notation. Image One a)[2ˉ21] b)[1ˉ12ˉ] c)[1ˉ1(1/2)] d)[(1/2)(1/2ˉ)1ˉ] Image 2 A)(1ˉ02) B)(21ˉ0) C)(201) D)(1ˉ02ˉ)
November 22, 2012

math
x = 14,y = -2
September 17, 2012

chemistry
1305.41 26.78
July 4, 2012

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 reducing costs. The ...
June 23, 2012

I need how to write Quality Management Plan
June 23, 2012

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) .
April 6, 2012

Maths
Simplify 5*+*
March 28, 2012

biology
What is ecosystem?
March 28, 2012

math finance
Consider the N-period 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. b) Give an ...
March 15, 2012

physics
picture webassign . net/pse/p28-23.gif The ∑ symbol is just epsilon for the voltage in the picture
February 23, 2012

chemistry help asap
how would you prepare 60.0 ml of 0.2 M HNO3 from a stock solution of 4.00 M HNO3?
February 6, 2012

chemistry help asap
what is the molarity of a solution prepared by diluting 500ml of a 6.0 M solution to 750 ml?
February 6, 2012

ar ALABAT ACDEMY GOVERNMENT subject
How does the legislature check the power of Executive organ of government in a persidential system
December 11, 2011

Calculus
I would to see answer for this question
November 9, 2011

Islamic
What is velt
October 22, 2011

Math
y+19=9 That means some number added to 19 equals 9. So we subtract 19 from 9 which gives us -10.
September 21, 2011

1753 3531 5731 7351
September 19, 2011

use a calculator and you get 1323
September 19, 2011

September 18, 2011

under estimate
September 15, 2011

Chemistry
What is the chemical reaction between Phosphoric Acid and Disodium Phosphate?
August 23, 2011

CHE103
describe the hazards you should be aware of when you use 2.0 M HCl solution
April 13, 2011

Genral chemistry
if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?
March 30, 2011

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.
March 22, 2011

maths
how many revolution will a wheel having 56cm diameter make to cover a distance of 11km?
February 13, 2011

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 rust. I Case (B) A ...
May 4, 2010

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 (Y-T) I = 2,000 – 60r In this economy, compute: a. Private saving b. Public saving c. National saving d. The equilibrium interest rate e. ...
May 4, 2010

Prepare a 700- to 1,050-word paper describing the changing role of HR management in response to trends in globalization, technology, diversity, e-business, and ethics.
February 27, 2010

mathematics.
900 children were at school one day 27 were absent what is the percentage of student in school that day
February 9, 2010

Chemistry
If a 0.5-mL air bubble is present in the tip of a buret, what percent error in 10-mL, 20-mL, and 40-mL samples will be result if the air bubble is dislodged during the dispensing of the samples?
July 22, 2009

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 have three objects, ...
July 14, 2009

Math
when veronica recently visited Great BRitain one British pound was worth US\$1.77, while NZ\$1.00 was worth US\$0.59. In this case, how many NZ\$ was a British pound worth?
June 1, 2009

INTRODUCTION TO BEHAVIORAL SCIENCE
what is the introduction of behaviorial science and how it can implement on general life.
September 29, 2008

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