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April 20, 2015

Search: blood pH that is considered normal in humans is 7.35 to 7.45. If a peblood pH changes from 7.35 to 7.45,

Number of results: 12,041

computer programming
Write a program that uses a 20x20 board, initialised to a given pattern, to play the game Conway's life . After each turn print out the board pattern using a . for a dead square and a * for a live square. Squares off the board are considered permanently dead.
May 7, 2012 by Ravinder Kaur

computer programming
Write a program that uses a 20x20 board, initialised to a given pattern, to play the game Conway's life . After each turn print out the board pattern using a . for a dead square and a * for a live square. Squares off the board are considered permanently dead.
May 7, 2012 by Ravinder Kaur

Grammar
Which of the following is correct in regard to the use of formal English? A. In formal English, we use words to say precisely what we mean. B. Contractions are considered acceptable in any document. C. Formal English is used more frequently in speaking than in writing. D. In ...
May 9, 2013 by Samara

Biology
1. In an experiment, a man drank a litre of water, his urine output increases so that after hours he had eliminated the extra water. When he drank a litre of 0.9% of sodium chloride (common salt), there was little or no increase in his urine production. Explain the difference ...
March 22, 2007 by Uduak

Editorial Evaluation (Writeacher)
What do you think now? I tried to follow your advice as well as the instructions in the website link you provided for me. Correction: "As a student, why have you enrolled in the University of Georgia? What do you wish or intend to gain? You might answer by naming the degree ...
February 15, 2014 by Anonymous

chemistry
Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 405 torr? how do i go about answering this question? i don't know where to start. am i supposed to use the ...
February 7, 2010 by Karen

Chemistry
1) Given the following “substances” and their normal boiling points, in celsius. G:43.8 Celsius J:93.7 M:56.7 T: 83.5 R:63.6 Which set below correctly lists some of these liquids in order of increasing intermolecular forces at 20 oC? a) G < R < J b) J < T < R c) R...
January 29, 2012 by Hannah

physics
The plane is traveling at 288 m/s on a vertical circle of radius 622 m. Determine the ratio of the normal force to the magnitude of the pilot's weight. For comparison, note that black-out can occur for ratios as small as 2 if the pilot is not wearing an anti-G suit.
March 4, 2014 by Anonymous

English
Can you check the grammar in the following sentences, please? 1)In order to reach the branch Lockwood pushed his hand through the window , but an ice-cold hand grabbed his fingers. In vain he tried to release himself from its tenacious grisp, which was maddening him. 2)...
March 4, 2010 by Franco

algebra
how do I convert 9/16 into a percent? Is this done differently in a algebric form? Divide 16 into 9.000, using the normal procedures of long division. This should give you 0.5625; then multiply the decimal by 100. This isn't algebra, by the way.
April 27, 2007 by help me understand

computer software
I am trying to download Adobe reader 8.1.2 to my computer I have "dial up " service it seemes like it's been downloading forever and the bar is not moving to far it has been at 10% for a long time is this normal ? Thanks in advance for your help :>
March 18, 2008 by Samatha

Statistics
The lifetime of a 2-volt non-rechargeable battery in contant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than ?
September 2, 2009 by Karen

Statistics
The lifetime of a 2-volt non-rechargeable battery in contant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than ?
September 2, 2009 by Karen

chemistry
Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea how to go through with...
February 20, 2010 by david

chemistry
Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea how to go through with...
February 20, 2010 by david

statistics
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,225 per hour and a standard deviation of $220. What is the operating cost for the lowest 5 percent of the airplanes?
November 21, 2010 by Barbara

statistics
the average starting salary is Rs 15000per month with a standard deviation of Rs.1000 assuming normal distribution,what is the probability that starting salary will be more than Rs.17000, out of 200 degree holders how many will getRs.14000?
August 7, 2011 by Anonymous

General Chem lab
Hi, how do I calculate how many grams of unknown diprotic acid are needed to make 150mL of 0.750N (normal) solution? and to make 125mL of 0.500M (molar) solution? we have 0.5000M of NaOH.. Please help me...
October 30, 2011 by Ashley

statistics
The lifetime of a 2-volt non-rechargeable battery in constant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than
May 31, 2013 by Anonymous

solid mechanics
a steel bar 10m long and 10cm*10cm in section .it is subjected to an axial pull of 250KN .determine the intensities of normal and tangential stresses on a plane section at 60 degree to the longitudinal axis .
July 25, 2013 by sushil

statistics
The true highway mileage, Y, of a specific brand of hybrid vehicle has a normal distribution with a mean of 42 and a standard deviation of 1.5. Find the probability that a randomly selected hybrid vehicle gets more than 38 miles to the gallon.
June 17, 2014 by lisa

Stat
Thirty randomly selected students took the calculus final. If the sample mean was 89 and the standard deviation was 6.2, construct a 99% confidence interval of the mean score of all students. Assume that the population has a normal distribution
October 1, 2014 by Anonymous

Statistics
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,325 per hour and a standard deviation of $240. What is the operating cost for the lowest 5 percent of the airplanes?
October 9, 2014 by Dany

The Young Child and the Environment
When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A. Cumulative B. Multifactoral C. Quantitative D. Qualitative
September 23, 2010 by Lisa

Chemistry.
Which of the following changes will increase the amount of solid solute able to be dissolved in a liter of liquid water? decreasing pressure increasing temperature decreasing temperature increasing surface area
March 31, 2011 by Valentina

Web Scripting
I'm using actionscript. when you press the mouse, you can draw (using a rectangle) and when you click the mouse it changes colors. What I need to do is have buttons so that a user can click on the button to choose the color they want. How can I do this?
February 27, 2012 by Lisa

maths --plse help me..
The pilot of an aircraft flying horizontally at a speed of 1200 Km/hr observes an angle of depression of a point on the ground changes from 30 degree to 45 degree in 15 seconds. Find the height of the aircraft at which it is flying?
December 13, 2012 by Meenakshi

Physics
The same amount of heat entering identical masses of different substances produces different temperature changes. Calculate the final temperature when 1.50 kcal of heat enters 1.25 kg of the following, originally at 22.5°C.
November 26, 2014 by Nina

H.S. Econ
My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the review for today's test...
November 9, 2007 by Dana's Mom

H.S. Econ
My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the review for today's test...
November 10, 2007 by Dana's Mom

H.S. econ
My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the review for a recent test...
November 11, 2007 by Dana's Mom

health
A 67 year old man is diagnosed with cancer subsequently undergoes chemotherapy. As an excpected side affect of chemotherapy, his bone marrow stops functioning. What ia a potential consequence of this loss of function? A. his calcium levels will decrease. B. he'll suffer bone ...
June 23, 2010 by Jackie

Please Proofread my Essay
I've made plenty of changes to my essay. Could you please proofread it? Thanks! Is Beauty Really Skin Deep?
October 19, 2006 by Soly

Government (health care)
what branch of gov. is in charge of directing taxes, and if health care changes, will taxes be raised
November 29, 2007 by Ashlynne

biology
Name 3 life forms that change over time. What changes about these life forms as time passes?
September 11, 2009 by TONI

physics.
A jogger runs 59 m due west, then changes direction and runs 83 m due north. What is the distance the jogger travels?
October 24, 2010 by Haley

conformity paper
Just to say first im not wanting anyone to write my paper for me. I have to write an english paper about non conformity and conformity. I already have a load of information but Im looking for a little more. directions:observe conformity as it exists in your society. Note how ...
August 28, 2010 by Maryanne

statistics
1. Are there more broken bones in summer or winter? We get records about the number of fractures treated in January and July at a random sample of 25 emergency rooms. The 95% confidence interval for the mean change ( μd = μJan - μJuly )in the numbers of ...
July 4, 2013 by Katie

math word problem
Read the following story about the TV weatherperson and identify as many places as possible that the weatherperson could use addition or subtraction of integers to answer her questions. Write and solve the number sentences she could use. Ms. Cloudcover, the TV weatherperson, ...
June 30, 2009 by Anonymous

math
the 20 students in Mr. Wolf's 4th grade class are playing a game in a hallway that is lined with 20 lockers in row. the 1 student starts with the first locker and goes down the hallways and opens all lockers. the 2 student starts with the second locker and goes down the ...
January 1, 2014 by Anonymous

English
Can you check these sentences, pelase? He was a normal child till the age of 18. He managed to take one of the cannnibals' captives prisoner (better: to capture ?) He decided to go to sea, to make his fortune at sea, to set out on a sea journey???
May 13, 2011 by Henry1

physics
A truck driver slams on the brakes and the momentum of the truck changes from ‹ 53000, 0, 0 › kg · m/s to ‹ 27000, 0, 0 › kg · m/s in 3.3 seconds due to a constant force of the road on the wheels of car. As a vector, write the net force exerted on the truck by the surroundings.
September 11, 2014 by ed

History
Would this be considered a shortcoming for Rosa Parks? I'm still having trouble finding somethings for this part of my presentation. She lost her job at the department store when the department store she worked at heard about her arrest, and her husband lost his after his boss...
January 15, 2012 by Samantha

Environmental Science
What describes how humans are affecting the balance of carbon in the atmosphere? Detrimental? A J curve? Also in the sea by the way, there is the highest concentration of carbolic acid in the oceans in 500,000 years. this is close to the saturation carrying maximum. << ...
December 22, 2006 by Qiayamah

Statisticssd
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ˇÝ0.10% D 0-19 142 7 ...
July 21, 2009 by Josephine

Literature
Dr. Martin Luther King spoke at the funeral of three of the little girls killed in the Birmingham bombing. In his eulogy, he said, “The innocent blood of these little girls may well serve as a redemptive force that will bring new light to this dark city.” He also reiterated ...
January 17, 2015 by Maddie

Statistics
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ˇÝ0.10% D 0-19 142 7 ...
January 31, 2015 by jcukane

statistics
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ˇÝ0.10% D 0-19 142 7 ...
January 31, 2015 by jess

Discrete Math
So, I uploaded the figure in photobucket, and if you type flutegirl516 in the search bar you will see it's the first photo. F:B→C, h:C→B, and G:A→C Is F°h°G defined? If so, what is its domain and range? Yes it is defined. And I thought that the domain and ...
February 19, 2011 by Francesca

Please help!
The following data describe the binding of oxygen to human myoglobin at 37oC. P02 (mm Hg) = 0.5 1 2 3 4 Theta = .161 .277 .434 .535 .605 P02 (mm Hg) = 6 8 12 20 Theta = .697 .754 .821 .885 From these data, estimate: a). P50 b) the fraction saturation of myoglobin at 30 mm, the...
September 29, 2007 by Gulzaman

spell
Animals have been used in medical research for centuries. Most of the animals used for research are rodents such as rats, mice, hamsters and gerbils. Some dogs, cats and a variety of goats, ferrets, pigeons, monkeys and rabbits are also used .The struggle against this tyranny...
March 31, 2008 by Walker

life sciences
John is often thirsty and he urinates often , he struggles to concentrate and lacks energy,his docter told him he has developed type 2 diabetics Discuss: •Regulation of blood glucose level by hormones. •advice on how john can control and treat type 2 diabetics. •serious ...
May 24, 2011 by Anonymous

Statistics
A normal population has an expected value of 60 and a variance of 30. Use the central limit theorem to determine what the sample size should be such that the mean has a probability of 90% to fall between the values 58 and 62. One concept of the Central Limit Theorem is ...
August 10, 2006 by ruth

General - URGENT
Hi Theres this cartoon, it says: Kulak je nejzavilejsi nepritel socialismu. It shows a small fat man lifting up the cheek of a taller man as if he likes him. The shadow shows the fat man chocking the thin man and instead of a torch/candle behind him he is carrying a knife ...
May 14, 2011 by Tina

Physics
A patient has a far point of 34.6 cm and a near point of 26.0 cm. What power (in diopters) should be prescribed to give the patient normal vision for: (a) contact lenses? 1) D (b) glasses which are worn 0.9 cm away from the patient's eyes? 2) D
February 14, 2011 by DJ

Physics
What is the difference in volume (due only to pressure changes, not temperature or other factors) between 1000 kg of water at the surface (assume 4 degrees C) of the ocean and the same mass at the deepest known depth, 8.00 km? (Mariand Trench; assume also 4 degrees C.)
November 6, 2007 by Kristin

delta college
as you watch a door opening, its aspect changes from rectangular to trapezoidal, yet you continue to think of the door as rectangular. __________ explain(s) this phenomenon. A) Selective Attention B) Retinal Disparity C) Monocular depth cues D) Perceptual constancy
October 21, 2009 by lupe

Environmental Science
In the United States we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source including genetically modified crops, the use of more chemicals, and climate change just ...
March 28, 2011 by Anonymous

chemistry
What is the specific heat of an object that weighs 25 g and when heated to a temp of 500K and dropped into 100mL of water changes the temp of the water from room temp (293K) to 306K? Cp of water= 4.184
February 23, 2015 by Halle Jensen

health
1. Which of the following best describes catheterization? A. Burning away of cancerous tissue B. Visualization of the large intestine C. Implantation of an intrauterine birth control device D. Placement of a drainage tube into the bladder 2. Which is a condition of the male ...
December 22, 2010 by Anonymous

LAW
1. For defense counsel to be considered ineffective, the defense attorney must: A. perform adequately. B. prejudice the defendant. C. be a public defender. D. only be unreasonable under prevailing professional norms. im confused between B and D 2. Which of the following is NOT...
January 7, 2014 by Amy

SCIENCE
I have to find research about Jan van Helmont's work on Spontaneous Generation and I am having trouble finding info. about it and how he conducted the experiment..also i have to figure out the strengths and weaknesses of the experiment and is it considered good science or bad ...
May 24, 2008 by Amanda

calculus - derivatives
can you please find the first 5 derivatives for: f(x) = (0.5e^x)-(0.5e^-x) f'(x) = ? f''(x) = ? f'''(x) = ? f''''(x) = ? f'''''(x) = ? thanks :) f(x) = (0.5e^x)-(0.5e^-x) f'(x) = 0.5 e^x + 0.5 e^-x f''(x) = 0.5 e^x - 0.5 e^-x f'''(x) = 0.5 e^x + 0.5 e^-x f''''(x) = 0.5 e^x - 0...
July 30, 2007 by COFFEE

chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? increasing temperature increasing pressure decreasing surface area decreasing temperature
May 15, 2011 by chris

Chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? A) increasing temperature B) increasing pressure C) decreasing surface area D) decreasing temperature
June 9, 2011 by Brya

physics
Marks: 2 The magnetic field of a circular loop of wire changes from 0.3 Tesla to 0.4 Tesla in 0.2 seconds. What is the induced emf produced in a coil if the area of the circular loop is 1m2? Choose one answer. a. 0.1 V b. 0.2 V c. 0.5 V d. 0.6 V
June 9, 2011 by unknown

chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? increasing temperature increasing pressure decreasing surface area decreasing temperature
September 1, 2011 by kara

chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? increasing temperature increasing pressure decreasing surface area decreasing temperature
September 1, 2011 by kara

physics
If the radius of the Earth somehow bloated to twice its size, with no changes in mass, your weight at the Earth's new surface would be ___A) one-quarter.B) one eighth.C) the same.D) twice.E) half.
March 4, 2012 by Christie

physics
A uniform magnetic field makes an angle of 30 degrees with the axis of a circular loop of 300 turns and radius of 4 cm. The magnetic field changes at a rate of 85 T/s. Determine the magnitude of the induced emf in the loop.
March 30, 2014 by Lucy

physics
If an object is initially moving with a constant velocity of 20m/s towards positive x-axis and after 5 sec it changes its direction and moving at an angle of 30o with x-axis, find magnitude and direction of its acceleration.
October 26, 2014 by Anonymous

Health insurance
please check my answer thanks If both nondivorced of a dependent child have insurancce that will cover that child , which policy is considered to be the primary carrier for the child ? A the mother's insurance B the father's insurance C The coverage that has been in effect ...
April 16, 2008 by Anonymous

statics
I have to come up with a statics problems. i have to make up a problem and take photos that includes a frame or machines. Machines, like those tractor machines or amusement ride. For a frame though, is a step stool that folds considered as a frame. The sides are connected and ...
November 16, 2008 by jen

Computers
Which of the following experiences is considered a simulation? A. reading a chapter about dissecting a frog with bright pictures and graphs B. listening to a narrator about dissecting a frog in vivid detail C. using a computer program to dissect a frog*** D. watching a video ...
February 24, 2015 by Elissa

Science
Every cell in the body has a full complement of all genes, however each cell type reads only certain genes. For example, both white blood cells and liver cells have genes for making digestive enzymes but they do not read them. how is this possible??? I have no idea? I googled ...
December 20, 2006 by ronda

chemistry
for the reaction, determine the number of transferring electrons so then i can pug into G=-nFE I'm assigning charges to each of the elements H2O2(aq) + 2ClO2(g) → O2(g) + 2HClO2(aq) (+1,-1) + (+4,-2) (0) (+1,+1,-2) since O changes from -1 to 0, so it lost one electron ...
June 3, 2010 by eng(check my answer please)

chemistry
for the reaction, determine the number of transferring electrons so then i can pug into G=-nFE I'm assigning charges to each of the elements H2O2(aq) + 2ClO2(g) → O2(g) + 2HClO2(aq) (+1,-1) + (+4,-2) (0) (+1,+1,-2) since O changes from -1 to 0, so it lost one electron ...
June 3, 2010 by eng

Science
A cat is walking down a sidewalk and spots a dog in a nearby yard. The cat strats to run in the opposite direction and then quickly climbs a tree. Which of the the following changes most accurately describes the movement of the cat? speed distance velocity****** motion
March 3, 2014 by Mindy

Biology-9th grade
I'm not sure how to answer one of my homework questions. Is one function of the alveoli to filter out dirt and pollen before it reaches the lung and why or why not. I don't think it is because the alveoli are used to oxgenate the blood, correct. I don't think they filter out ...
October 9, 2011 by Sidney

Genetics
The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient (s). What is the selection coefficient for a genotype (aa) that produces an average of 99 offspring when Aa individuals produce an average of 100 ...
March 15, 2012 by Anon

Genetics
The difference between fitness of a given genotype and another genotype considered optimal is called the selection coefficient (s). What is the selection coefficient for a genotype (aa) that produces an average of 99 offspring when Aa individuals produce an average of 100 ...
March 18, 2012 by Anon

Calculus
Find the outside and inside functions of the following to find their derivatives: 1) sqrt(2x+9) 2) cos(cos(x)) 3) tan(x) I already know how to find their derivatives I'm just not exactly sure what parts of the chain rule equation would be considered the outside and inside.
June 18, 2013 by Robin

Stastics
Bank of Connecticut estimated that balance on credit cards have follows Normal Distribution mean $845 with standard deviation $270. Calculate probability that balance on a single credit card is greater than $750
March 7, 2010 by Mary

phsyics
please I really need help with these 1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35° angle. What is the normal force? If the object is pulled at constant speed, what is the coefficient of friction?
October 13, 2010 by physics LSU

AP calculus
Find the equation of the normal to the curve f(x) = 3cos(2x) at the point x = 0. In class, we learnt to find the derivate of the function, which would represent the slope. After I did that, I found the slope to be 0.. but that is not what my graphing calculator tells me.. So, ...
October 27, 2010 by cel

college
Suppose that, for a certain exam, a teacher grades on a curve. It is known that the grades follow a normal distribution with a mean of 70 and a standard deviation of 7. There are 45 students in the class. How many students should receive an A? Please, round your answer to the ...
December 22, 2010 by Anonymous

PHYSICS
A person whose weight is W=584 N doing push-ups. Find the normal force exerted by the floor on each hand each foot, assuming that the persons holds this person |=central gravity foot arm -------|-------- .840m .410m
January 10, 2011 by EHm

PHYSICS
A person whose weight is W=584 N doing push-ups. Find the normal force exerted by the floor on each hand each foot, assuming that the persons holds this person |=central gravity foot arm -------|-------- .840m .410m
January 10, 2011 by EHm

physics
A motorcycle has a constant speed of 24.4 m/s as it passes over the top of a hill whose radius of curvature is 135 m. The mass of the motorcycle and driver is 364 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
May 25, 2011 by cswidener

medical transcription
Im working on a transcription and i know this sentance is not right but i cant figure out how to spell it correctly can any one tell me what it is or how to spell it so i can look it up thx what i need help on is the last word heart regular rate and rhythm normal S1, S2 ...
April 26, 2012 by sam

statistics
A class test resulted in a mean score of 60% and a standard deviation of 15%. You scored 75%. Assuming the scores follow a normal distribution, and there are 200 in the class, how many students scored better than you? Give your answer to the nearest whole number.
August 30, 2012 by rebecca

physics
A motorcycle has a constant speed of 20.8 m/s as it passes over the top of a hill whose radius of curvature is 159 m. The mass of the motorcycle and driver is 387 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
October 9, 2012 by ben

statistik
twenty percent of the employees of a large company are female.use the normal approximation of the binomial probabilities to answer the following question. what is the probability that in a random sample of 80 employeses a)exactly 16 will be female? b)14 or more will be female...
November 28, 2012 by mira

Statistics
A simple random sample of 10 households, the number of TV's that each household had is as follows: 1, 3, 1, 2, 0, 2, 1, 1, 1, 5 Assume that it is reasonable to believe that the population is approximately normal and the population standard deviation is 0.56. What is the lower ...
June 26, 2013 by Anonymous

Math/Statistics
A statistics teacher believes that the final exam grade for her elementary stats class have a normal distribution with a mean of 82 and a standard deviation on 8. Find the score which separates the top 10% of the scores from the lowest 90% of the scores.
August 11, 2013 by Sean

Physics
A 2000kg car rounds a curve of 65m banked at an angle of 11∘ How much friction force will be required? I know how to find frictional force on a normal flat surface but I don't know how to apply it with a curve. Any help with work would be great!
September 27, 2013 by Alison

physics
A motorcycle has a constant speed of 21.6 m/s as it passes over the top of a hill whose radius of curvature is 100 m. The mass of the motorcycle and driver is 392 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the cycle.
September 28, 2014 by Natalie

statistics
If I selected one player at random what would be the probability of an NBA player in the Eastern conference being less than 6 feet tall? First calculate the z-score and then use the standard normal table to find the probability.
March 28, 2015 by Anonymous

Chemistry
A blood serum sample containing Na+ gave an emission signal of 4.27 mV. A small volume of concentrated standard Na+ was then added to increase the Na+ concentration by 0.102 M, without significantly diluting the sample. This "spiked" serum sample gave a signal of 8.09 mV. Find...
December 12, 2011 by Ken

English-Grammar check
Can someone tell me if these 2 sentences are the correct use of a semi colon: Another example of prejudice displaying in Maycomb county is against Arthur Radly, the local everyone is afraid of; he is considered the town freak. One more example of prejudice found in To Kill a ...
April 6, 2009 by Mike

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