Questions Asked on
November 1, 2013

math
a 13 ft ladder is placed against a vertical wall of a building, with the bottom of the ladder stand on level ground 5ft from the base of the building. how high up the wall does the ladder reach.
asked by pam 
physics
13. A generator produces 100 kW of power at a potential difference of 10 kV. The power is transmitted through cables of total resistance 5. How much power is dissipated in the cables? A. 50 W B. 250 W C. 500 W D. 1000 W E. 50000 W
asked by shanza 
Medical Billing and Coding
This 19yearold college student was brought tot he ER and admitted with high fever, stiff neck, chest pain, cough, and nausea. A lumbar puncture was performed, and results were positive for meningitis. Chest xray revealed pneumonia. Sputum clutures grew
asked by Arlene 
Medical Billing and Coding
This 65yearold chronic cigarette smoker for the past 40 years was admitted to the hospital with acute exacerbation of her chronic obstructive pulmonary disease. She has a hsitory of anxiety syndrome due to hypothyroidism, and is maintained on medications
asked by Lisa 
chemistry
Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) to indicate the aqueous phase. Indicate appropriate charges on negative and
asked by rose 
Health (Ms. Sue)
Why do you think abused children often have trouble making friends?
asked by Anonymous 
Health (Ms. Sue)
1). Why do you think people often do not consider online sexual harassment a real from of abuse? A: I believe people do not consider online sexual harassment as a true form of abuse because, technically, it isn't physically occurring them. 2). What
asked by Anonymous 
PHYSICS
The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. What is the radius of the circular arc
asked by viper 
Math
7. The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7. How much would a person who weighs 150 pounds on Earth weigh on Neptune? A. 170 pounds B. 107 1/7 pounds C. 750 pounds D. 210 pounds I answered D, because I took 150 pounds and
asked by Cassie 
chemistry
If the thyroid test requires 3.2mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine131 solution?
asked by mona 
Medical Billing and Coding
This is a 71yearold female admitted with a complaint of rightsided weakness. She denies any fever, shortness of breath, cough, headaches, or chest pain. Patient has NIDDM, controlled by diet. Patient currently smokes. Mild rightsided paralysis was
asked by Lisa 
chemistry
the following is a redox reaction. show which element(s) are oxidized and reduced. include how many total electrons are gained or lost by each element. 3HNO>HNO3+H2O+2NO
asked by Nisha 
math
Sarah bought 8 folders and 3 rulers. Lea bought 8 rulers and 3 folders. Sarah paid $1.25 more than Lea. How much was each folder if each ruler was 45 cents?
asked by jade 
Mcneese
What if you quadruple the force and keep the force constant what will happen to the resulting acceleration?
asked by Marie 
phyics
You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 65 N·m. Using the data in the figure, determine the magnitude F of the force that you must exert on the wrench.
asked by bobby 
phyics
The figure shows a person whose weight is W = 500 N doing pushups. Find the normal force exerted by the floor on (a) each hand and (b) each foot, assuming that the person holds this position.
asked by bobby 
PHYSICS (HELP!!!)
An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 9 kg/(m2s2), a= 9 m, and b= 719 kg/s2. (a) How many equilibrium points (stable and unstable ones) does this potential have? n= 1 2
asked by Anonymous 
chemistry
A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1817 miles per hour.
asked by brianna 
Physics(IMPORTANT)
Two skaters of mass m1=50kg and m2=70kg are standing motionless on a horizontal ice surface. They are initially a distance L=7.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l=2.0
asked by keitanako 
Math
" kelly has twelve cards numbered 1 to 12. what is the probability of picking three evennumbered cards consecutively, if the first two cards are not replaced?
asked by Elizabeth 
science
Why do you think the presence of smoke contributed to cloud formation?
asked by Mary Ann 
Math
The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.
asked by Evy 
Math
A rectangular table is six times as long as it is wide. If the area is 96ft^2, find the length and the width of the table
asked by Pam 
chemistry
Write a balanced equation for the dissociation of Mg(NO3)2. I wrote Mg(NO3)^2(s)==>Mg^2+(aq)+NO3^3(aq) That isn't the answer in the book. Can someone explain to me how dissociation works?
asked by rose 
Computer
Give 10 written information in an address book.
asked by Tsunayoshi 
Medical Billing and Coding
The patient was brought to the ER and then admitted because of acute alcohol inebriation. The diagnosis is acute and chronic alcoholism, continuous. What codes are assigned? ICD9CM Diagnosis Code(s) with POA Indicator:________________________ ICD10CM
asked by Lisa 
phyics
One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a
asked by bobby 
algebra 1
Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.
asked by ty 
Medical Billing and Coding
The patient was admitted with increasing shortness of breath, weakness, and nonproductive cough. Treatment included oxygen therapy. Final diagnoses listed as acute respiratory insufficiency and acute exacerbation of chronic obstructive pulmonary disease
asked by Lisa 
phyics
A person is standing on a level floor. His head, upper torso, arms, and hands together weigh 470 N and have a center of gravity that is 1.13 m above the floor. His upper legs weigh 108 N and have a center of gravity that is 0.755 m above the floor.
asked by bobby 
Science
If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section
asked by Anonymous 
physics
12. Which of the following statements is correct for a particle moving in a horizontal circle with constant angular velocity? A. The linear momentum is constant but the kinetic energy varies. B. The kinetic energy is constant but the linear momentum
asked by shanza 
math
Ursula works at a print shop. She uses a printer that can print 12 pages per minute. Yesterday she started printing flyers for an order. Today at 8 a.m. she continued working on the order, and by 9 a.m. she had 420 flyers for the order completed. Write an
asked by Anonymous 
science
20. Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. Can you help me Ms. Sue?
asked by anonymous 
Criminal Justice
What are the top two theorys of interpreting the constitution if we eliminated judicial review?
asked by Brenda 
math
Alice plays basketball. In one game she shoots 23 free throws and makes 81.25% of theme. Estimate how many free throws she makes.
asked by Jasmine 
chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.990 fm (femtometers), what is the maximum mass of an object traveling at 269 m·s–1 for which the de Broglie wavelength is observable?
asked by brianna 
chemistry
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.70 nm in diameter? Take the mass of an
asked by brianna 
intermediate algebra
factor 192x*33
asked by leeanne 
Physics(IMPORTANT)
A meteorite of mass 1*10^4kg is approaching headon a planet of mass 5*10^29kg and radius 5*10^4km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed 3*10^2km/s. Take 6.67*10^11. Determine the speed of
asked by keitanako 
Math
Joel rented a car for 14 days , his total bill was 1,239 .how much did the rental cost each day
asked by Anabelle 
math
50 is 6.25% of what number?
asked by Jasmine 
Chinese
1）天气损报说明天会下雨, 真冷． 2）我很高我哥哥比较高． 3）我们这个学期不伹上英 文课， 再说还上中文课． There's something wrong with each of these sentences gramatically. What's wrong with them. I can't see
asked by Alexstraza 
physics(URGENT)
A small object of mass m= 30 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. What is the magnitude of the force (in Newton) exerted by the dome on the mass
asked by leonard 
Physics(IMPORTANT)
A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle Î¸=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the
asked by keitanako 
Physics(IMPORTANT)
A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational
asked by keitanako 
History
How wide was the secret hallway behind the bookcase in Anne Franks House?
asked by Cody 
Physics(IMPORTANT)
An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in
asked by keitanako 
Physics(IMPORTANT)
A block of mass m = 2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k =10 N/m. The static friction coefficient between the block and the surface is mÎ¼s =0.7 , and the kinetic
asked by keitanako 
accounting
Jane and Walt form Orange Corporation. Jane transfers equipment worth $475,000 (basis of $100,000) and cash of $25,000 to Orange Corporation for 50% of its stock. Walt transfers a building and land worth $525,000 (basis of $200,000) for 50% of Orange’s
asked by Anonymous 
Physics(IMPORTANT)
An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=(Î»/4)(x^2a^2)^2+(b/2)x^2 Here we use Î»=3kg/(m^2s^2), a=7m, and b=77kg/s^2. (b) Find a stable equilibrium point x0 such that x0 is positive. (in meters) x0= (c) Do
asked by keitanako 
social studies
Steps to build your dignity
asked by praise 
Math
A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur
asked by Elizabeth 
Math
Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue
asked by Elizabeth 
Math
Assume that 3 dice are thrown simultaneously. What is the probability that exactly one 4 will come up?
asked by Elizabeth 
Accounting
Montana Company produces basketballs. It incurred the following costs during the year. Direct materials: $14,032 Direct Labor: $25,706 Fixed manufacturing overhead: $9,698 Variable manufacturing overhead: $32,164 Selling Costs: $21,176 What are the total
asked by Joy 
German
Fill in the blank with the correct pronoun. Antwortest ____ mir nicht? dir dich du ich
asked by sinclair 
Math
Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain
asked by Elizabeth 
Math.
You repeatedly toss a fair coin for 5 times. What is the probability that heads comes up at least 3 times before tails comes up twice?
asked by Elizabeth 
math 5th grade
How to solve 547X73
asked by hannah 
Organic Chemistry
3.What would be the major product if 1,4dibromo4methylpentane was allowed to react with: a)One equivalent of NaI in acetone? b)One equivalent of Silver Nitrate in ethanol?
asked by ANNA 
science
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8kg projectile from rest to a speed of 3.9 103 m/s. The net force accelerating the projectile is 4.8
asked by butcha 
physics
An iron rod has a length of 1000 meters (or 1 km) at 0 degrees Celsius. If the rod must expand 10 cm to bridge a gap, to what temperature must the rod be heated?
asked by chris 
PHYSICS
A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 eV electron moving along the negative x axis is
asked by viper 
physics
An iron rod(a=11.8x106 C1) has a length of 1000 meters (or 1 km) at 0 degrees Celsius. If the rod must expand 10 cm to bridge a gap, to what temperature must the rod be heated?
asked by chris 
Spanish
1)¿A qué hora se acuestan Uds. esta noche? _________ a las once. A. te acuestas B. me acuesto C. nos acostamos D. se acuesta I said B 2)Voy a llegar tarde a la clase de español. Por suerte la profesora está _____ hoy. A. de buen humor B. de mal humor
asked by Eri Uchi 
Science
If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section
asked by Anonymous 
Medical Billing & Coding
This 65yearold chronic cigarette smoker for the past 40 years was admitted to the hospital with acute exacerbation of her chronic obstructive pulmonary disease. She has a history of anxiety syndrome due to hypothyrodism, and it maintained on medications
asked by Arlene 
MathAlgebra
43 m+2 >14 The answer shows 8 < m < 4, but I am not getting it. Could someone please explain?
asked by Anonymous 
German
Hat es ______ (you all) gut gefallen? would this be ihnen? or uns? thank you.
asked by sinclair 
Medical Billing & Coding
This 32yearold female patient was admitted with intractable partial epilepsy after an MRI showed mesial temporal sclerosis on the right side with hippocampal atrophy. The neurosurgeon carried out a selective amygdalohippocampectomy with intraoperative
asked by Arlene 
Question
Is there remaining water after a tsunami from an ocean?
asked by Anonymous 
Medical Billing & Coding
This patient was admitted when MRI revealed cerebral aneurysm. After admission, a cerebral angiogram was performed and showed nonruptured arteriosclerotic aneurysm of the anterior cerebral artery. An aneurysmectomy by anastomosis was performed using Marlex
asked by Marcelo 
Biology
What could be a benefit for a plant that can switch between cyclic and noncyclic electron transport? Think about the products of electron transport and what products are needed for the Calvin Cycle.
asked by Laurie 
Physics problem
An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of
asked by Sarah 
World History
What gave the Middle East an advantage during the Neolithic Era? A) a welleducated and hardworking populace B) fertile land C) an abundance of diverse beasts of burden to domesticate D) rivers and coastlines
asked by Anonymous 
Engineering
At 300 K we see the electron concentration in the conduction band for pure (undoped) Si is 1010/cm3. How many electrons per Si atom is this? You can use scientific notation, as in A.AAeB Si is diamond cubic with 8 Si atoms per unit cell and a lattice
asked by Solar Solar Cells, Fuel Cells and Batteries 
German
Der Film hat ___ (him) sehr gut gefallen. this would be dative ihm, right? i just want to make sure, so that i don't put ihn.
asked by sinclair 
Electrical Engineering
Find the latitude at Stanford University using Google Maps to the nearest degree (This is how you do it) and calculate the Air Mass Factor on the autumnal equinox (when the center of the sun is in the same plane as the equator of the earth) at noon (when
asked by Solar Solar Cells, Fuel Cells and Batteries 
MATHS
lf you added a fifth of one and a quarter to one and a quarter, what would the answer be ? ..... The answers is 1 1/2 have tries 0.2 + 0.25 + 0.75 = 1.20 or 1 1/5 ???? 0.2 + 0.75 + 1 + 0.25 = 2.20 ??? Please help!
asked by LARA 
Physics problem
An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of
asked by Sarah 
Algebra
Help I'm stuck I need to factor a trinomial expression using the AC method 15x^2 + 31x + 2
asked by Tracy 
Probability and Statistics
Random Variables X and Y follow a joint distribution: f(x,y)=(6xy)/8 if 0
asked by Katy 
Math
The base of a triangle is 8cm greater than the height . The area is 24cm^2. The height is what and the base is what?
asked by Pam 
physics
A package of mass 9 kg sits at the equator of an airless asteroid of mass 4.0 1020 kg and radius 4.9 105 m. We want to launch the package in such a way that it will never come back, and when it is very far from the asteroid it will be traveling with speed
asked by Jaden 
physics(help)
A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the
asked by Anonymous 
Social Studies (History)
How does the constitution limit the powers of government
asked by Steve 
statistics
The computerscience aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computerscience course. The results were as follows. (Give your answers correct to two decimal places.)
asked by statistics student 
statistics
Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 1 3 1 6 3 6 1 4 4 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do
asked by statistics student 
Health (Ms. Sue)
Describe three facts about sexual assault and rape. A: A fact about sexual assault and rape is that, while some people believe that sexual assault and rape are committed by strangers, about 80 percent of victims of sexual assault and rape know of their
asked by Anonymous 
chemistry
Which of the following statements describes why ion exchange of 99% SiO2  1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however
asked by chem 
math 5th grade
How to solve 547X73
asked by hannah 
algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
asked by hannah 
algebra 2
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
asked by hannah 
Music
How does music affect a musical?
asked by Unknown 
6th grade math
Can you check my homework, please? 1. Write numeric expression for "eighteen less than the product of 2 and a". Ans: 2a  8 2. Molly has x pieces of candy. Holly has twice as much. Write an expression to represent how much candy Holly has. Ans: 2x 3. Jill
asked by Alex 
science HELP
What role does pressure play in the formation of the clouds?
asked by Anonymous 
Earth Science PLZ HELP
Based on what you have discovered, which of the following conditions would lead to the formation of clouds? 1. Moist air moves up as it encounters a mountain range. 2. High pressure is moving into an area. 3. The air over a large parking lot is warmer in
asked by Anonymous 
world history
Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizensoldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered
asked by Ally 
world history
Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizensoldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered
asked by Ally 
Math
Assume that 3 dice are thrown simultaneously. What is the probability that exactly one 4 will come up?
asked by Elizabeth 
Math
Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue
asked by Elizabeth 
Math
A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur
asked by Elizabeth 
world history
Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizensoldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered
asked by Ally 
algebra
A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.
asked by lala 
science
which of the following is more ecofriendly than the others? 1.Burning of Petrol 2.Burning of COAL. 3.Burning of Charcoal 4.Burning Of Cowdung.
asked by help()!!!!! 
Physics
A bullet is fired horizontally with a speed of 500 m/s from a height of 1.5 m above the ground toward a target 50m away on the ground. How high should the target be placed to receive the bullet?
asked by Tsunayoshi 
physics (help)
A meteorite of mass m= 1 ×104 kg is approaching headon a planet of mass M= 3 ×1029 kg and radius R= 7 ×104 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 2 ×102 km/s. Take G= 6.67
asked by Anonymous 
Sowela
Two objects of the same size fall from a tall building , object A=6kor B=12k which hits the ground first
asked by Marie 
Math
in a relationship between variable called that changes in response to another variable? function input function independent variable dependent variable (my choice)
asked by sam 
PHYSICS(HELP)
A meteorite of mass m= 2×10^4 kg is approaching headon a planet of mass M= 4×10^29 kg and radius R= 2×10^4 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 5×10^2 km/s. Take G=
asked by Anonymous 
Physics
A boat moves north at a uniform velocity of 15 mph relative to the shore from one side of the river to a point directly opposite on the other side of the river. The water in the river flows east at a constant speed of 5mph parallel to the shore. What is
asked by Tsunayoshi 
Biology
The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This code is transcribed onto mRNA and subsequently translated using tRNA. From the following DNA segment, record the base sequence that
asked by Kathy 
Biology
"Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for white petals W. These alleles have a codominant relationship producing a yellow petal colour. i) what are the possible genotypes
asked by Kathy 
Physics
A ship travels north at 6m/s. The wind travels west at 2.5 m/s. In what direction will the pennant of the ship on the masthead fly?
asked by Tsunayoshi 
World History
Which one of the following would be the best example of two ancient civilizations interacting with each other? A) Jericho trading with Ur B) Catal Huyuk trading with Constantinople C) Jerusalem trading with Tenochtitlan D) Phoenicians trading with
asked by Anonymous 
world history
what did samuel kemper and the republican army accomplish?
asked by haley 
Physics
A rock is thrown from the ground at a speed of 22m/s and an angle of 55 degrees above the horizontal. Find the velocity and height of the rock after 2 seconds.
asked by Tsunayoshi 
CalculusNewton Method Approximation
Use Newton's method to approximate the positive value of x which satisfies x=2.3cosx Let x0=1 be the initial approximation. Find the next two approximations, x_1 and x2, to four decimal places each.
asked by Liz 
physics(IMPORTANT)
Two skaters of mass m1=50 kg and m2=70 kg are standing motionless on a horizontal ice surface. They are initially a distance L= 8.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l=
asked by anonymous 
Math  Derivatives/Logrithms
An office machine is purchased for $6000. Under certain assumptions, its salvage value, V, in dollars, is depreciated according to a method called double declining balance, by basically 71% each year, and is given by V(t) = 6000(0.71)^t, where t is the
asked by Jess 
PHYSICS(HELP)
A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the
asked by Anonymous 
Physics
A player kicks a football from the ground at an angle of 42 degrees above the horizontal with an initial speed of 23m/s. a. How high will the ball rise? b. How long will it be in the air? c. What will be its range?
asked by Tsunayoshi 
Math
Find the vertex of the parabola. Sketch the graph. Y=x^2+2x3
asked by Pam 
Math
Label the vertex and the intercepts of y=x^22x+11. Sketch the graph of the equation
asked by Pam 
Physics
A crowbar is 4.000 metres long and has its pivot 50.000 centimetres from one end. A force of 2000.000 newtons is applied to the end closest to the pivot. What effort must be applied to the other end of the crowbar to keep it in equilibrium? (Round to 3
asked by Tom 
statistics
Assure that a procedure yields abinomial distribution with a trial repeated n times. Use abinomial probabilities table to find the probability if x sucesses given the probability of sucess of a given trial. n=6 x=0 p= 0.70
asked by angela 
physics (help)
A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the
asked by Anonymous 
question
i need some advice im a freshmen in hghschool and i have one honor class this semester and the 1st term i got a 80.6 and im struggling more is it better to be in it or just take regular and have an a over a b are their any benefits of it
asked by mr.albracht 
Physics
A rock is thrown from the ground at the speed of 22 m/s and an angle of 55 degrees above the horizontal. Find the velocity and the height of the rock after 2 seconds
asked by Tsunayoshi 
math
1. X^2 – y^2 – 2y  1
asked by vishnupriya.k.r 
History 1
What groups controlled Egypt during their expansion? (during the NEW KINGDOM)
asked by Anonymous 
Chemistry
For the titration of hcl versus NaOh, suggest a better indicator than methyl orange. Why is methyl orange not the ideal choice for this application?
asked by Hol 
Physics
A rock is thrown from the ground at a speed of 22 m/s and an angle of 55 degrees above the horizontal. find the velocity and height of the rock after 2 seconds
asked by Tsunayoshi 
chemistry
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. a) If connected as voltaic cells in series, which two metals are plated, and what is the total potential?
asked by nerdy 
Chem
assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant, S, calculate Zeff for Cl and K.
asked by Mrs. Brisco 
Math
The number of tickets sold each day for a performance is given by N(x)=0.4x^2+8x+14, where x is the number of days since the concert was first announced.when will daily ticket sales peak and how many tickets will be sold that day?
asked by Pam 
math
an architect has allocated a rectangular space of 325ft^2 for a square dining room and a 12ft wide kitchen. find bothy the width of the square dining room and the length of the entire rectangular space.
asked by pam 
Math
How Do I do this on my calculator? im so confused.. Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine,or the distance the center of the arrow bends when a certain constant weight is attached.
asked by cheesecake:) 
yo mama
le help me
asked by ayee 
math
The rectangular prism shown has a volume of 72 m3. This prism is enlarged using a scale factor of 3. What is the volume of the enlarged prism?
asked by Anonymous 
phyics
The steering wheel of a car has a radius of 0.19 m, and the steering wheel of a truck has a radius of 0.26 m. The same force is applied in the same direction to each steering wheel. What is the ratio of the torque produced by this force in the truck to the
asked by bobby