Questions Asked on
April 4, 2010

math
A contractor is considering a sale that promises a profit of $ 26,000 with a probability of .7 or a loss (due to bad weather, strikes, and such) of $ 4000 with a probability of .3. What is the expected profit. Can someone help me with this.
asked by wayne 
Physics Problem 6.20
The center of a 1.40 km diameter spherical pocket of oil is 1.50 km beneath the Earth's surface. Estimate by what percentage g directly above the pocket of oil would differ from the expected value of g for a uniform Earth? Assume the density of oil is
asked by Michael Moskvich 
Organic chemistry
What are two reasons why the crude product in most reactions is not pure?
asked by Tammy 
O Chemistry
In the reaction paminophenol + acetic anhydride > acetaminophen , 4.5 ml of water is added into the flask with the paminophenol and acetic anhydride at the beginning of the experiment. What is the purpose of this water?
asked by Tammy 
Physics
The kinetic energy K of an object of mass m moving at a speed v is defined as K=(1/2)mv^2. It seems reasonable to say that the speed of an objectand, therefore, its kinetic energycan be changed by performing work on the object. In this problem, we will
asked by mohd 
chem
what is the major product of this reaction CH2=CHCH2CH3+H2O H2SO4
asked by bryan 
Economics
When Burton Cummings graduated with honors from the Canadian Trucking Academy, his father gave him a $350,000 tractortrailer rig. Recently, Burton was boasting to some fellow truckers that his revenues were typically $25,000 per month, while his operating
asked by Shaun 
math
A teacher allows the students to each "throw out" their lowest test score in order to increase their overall grade. The original mean score of 5 tests is 72.8. After the removal of the lowest test, the mean score becomes 78.5. What is the score of the
asked by Nicci 
chemistry
A 1.362 g sample of an iron ore that contained Fe_3O_4 was dissolved in acid and all the iron was reduced to Fe^2+. the solution was then acidified with H_2SO_4 and titrated with 39.42 mL of 0.0281 M KMnO_4 , which oxidized the iron to Fe^3+. Net ionic
asked by mohd 
physics
A truck engine transmits 28.0 { kW} (37.5 hp) to the driving wheels when the truck is traveling at a constant velocity of magnitude 60.0km/h( 37.3mi/h) on a level road. 1.Assume that 65% of the resisting force is due to rolling friction and the remainder
asked by mohd 
algebra
Find the minimum and maximum values of the objective function subject to the given constraints? Objective Function: C=4x+5y Constraints: x>=0, y>=0, x+y
asked by emily 
Computer Science
w w w (dot)cs(dot)umass(dot)edu(slash)~verts(slash)coins105(slash)quizzes(slash)images(slash)hw10(dot)gif Using the constants in cells A2:A9, create formulae for cells A12:A15 (surrounded by a dark line) to compute the corresponding "derived" physical
asked by Andy 
chem
what would the chemical equation look like for each IUPAC name 4phenyl2pentyne b. 2phenyl3pentyne c. 3phenyl4pentyne d. 2phenyl4pentyne
asked by bryan 
scientist
How did leeuwenhoek's work influence us today?
asked by annette 
english
I have to write an eightsentence paragraph that fully develops this topic. A high school diploma is important to my future...... but i keep going in circles and i can't get my ideas together .I keep wondering off the topic. Can anyone help me write this
asked by me 
Electrical Engineering
At what frequency is a 0.0001 uF capacitor operating if its reactance is 45 k ohm?
asked by Jay 
chemistry
What is the solubility of CaF2 in a buffer solution containing .30 M HCHO2 and .20 M NaCHO2?
asked by Kelley 
psychology
select one theory of personality and use this theory to tell Jennifer what factors about this stage might be impacting her perspetive of this situation. I have no clue what my instructor is looking for. Can you help me?
asked by barbara 
Gr, 12 English
I want to find a helpful character guide for a Canadian play called "Leaving Home". It is so tough to look for.
asked by AL 87 
Physics Problem 6.12
Estimate the acceleration due to gravity at the surface of Europa (one of the moons of Jupiter) given that its mass is and making the assumption that its density is the same as Earth's
asked by Michael Moskvich 
basic math
question 1 x/32=7/8 and question 2 y/12=5/0.6 please help
asked by tea 
Physics
Two infinitely long slits, S1 and S2, each of width d=0.1 cm are used to prepare a boxshaped electron beam with energy E=400 eV. At what distance x from the slit S2 will the thickness of this electron beam double due to Coulomb's repulsion? The linear
asked by Anna 
11th grade Physics
What resistance would produce a current of 120 amps from a 6volt battery?
asked by Javier 
College Chemistry
HELP ME PLEASE! 1. Calculate the weight of 16.2L of pure SO2 gas at STP. (answer in grams) a.16.2 b.31.8 c.39.5 d.46.3 e.64.1 2.A volume of 725mL of a gas is collected at 105Celsius and 745torr. The gas weighs 1.93 grams. What is the Gas? a.Fe2 b.Ar c.Kr
asked by Lynn 
Physic
A mass attached to a spring oscillates with a period of 3.15 s. If the mass starts from rest at x = 0.0530 m and time t = 0, where is it at time t = 6.69 s? I found online that you use the equation x = Acos(2pi*t/T) where A is the amplitude, t is 6.69s and
asked by Tory 
11th grade Physics
What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
asked by Javier 
English Analogies
1. perfunctory : Punctilious :: A. kindly : gently B. avoid : detect C. practical : Feasible D. Perdition : salvation 2. Perspicacity : Mind :: A. reason : excuse B. attorney : trial C. sharpness : blade D. rainstorm : spring
asked by Lou 
physics
In a hydrogen atom, if the radius of the orbit of the electron is doubled, then its energy will ... a)Decrease by a factor of 2 b)Remain the same c)Increase by a factor of 2 d)Actually, it is not possible for the radius of the orbit to double e)Increase or
asked by jude 
math
still having a hard time understand these? please help? Logx10 + logx8logx5=4 Log3256log327=x Log 2+ 3log 5log 25=x
asked by johnica martin 
science
If the concentration of glucose in the blood flowing through the kidneys is within the normal range, then which of the following statements is correct? a. The nephron pumps glucose into the collecting duct. b. The Bowman's capsule secrets glucose back into
asked by ciara 
trig.
A 2000 pound car is parked on a street that make an angle of 12 degrees with the horizontal figure Find the force perpendicular to the street.
asked by gary 
Intro Chemistry
Which molecule based on the following enthalpies is the most stable? Molecule A: 70 kJ/mol Molecule B: 100 kJ/mol Molecule C: 145 kJ/mol Is it Molecule A? Isn't the lower the enthalpy the more stable the molecule? Thank You
asked by echem 
college physics
How to do this problem? Compute the number of turns of wire on a coil whose resistance measures 15.5 ohms, and which is wound around a 2inch diameter form in a single layer of 28 gage enameled copper wire.
asked by Mike 
Physics
The allowed orbits for the electron around the nucleus of the hydrogen atom are explained by de Broglie as ... a. Quantized values for the total energy of the electron in the atom b. Quantized values for the angular momentum of the electron in the atom c.
asked by Sandra 
mathgrd 11
what do they mean by sine regression? i am currently working on the grd 11 isu and i am just wondering how i am supposed to incorpporate sine regreession into it? my isu is, you have a picture you have to find a curve in it and figure out the equation of
asked by just wondering 
English
Bring me Ma Linang. Bring Ma Liang to me. Bring Ma Liang for me. (Are they the same? Can we use both 'to' and'for'?)
asked by rfvv 
physics
A motorist drives along a straight road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 2.00 m/s2 to overtake her. Assuming the officer maintains this acceleration, (a) determine
asked by LeRon 
algebra
the width of a retangle is fixed @30 cm. what lengths will make the perimeter greater than 78 cm?
asked by Anonymous 
grd 11
what is sin regression?
asked by just wondering 
GRD 11NEEED IT FAST, EMERGENCY
WHAT IS SIN REGRESSION ?
asked by just wondering 
math
how to do ratio in simplest from example 5km to 5m
asked by brooke 
writing
When a reporter makes a mistake in a magazine article, you can run a correction, but when a health care worker makes a mistake, someone can die. Reflecting on this statement, answer the following questions: * Should we hold people in certain professions to
asked by Anonymous 
Chemistry
I misread the question i posted earlier. The equation is Pb(OH)2 (s) + NaOH (aq)> ? I know that the complex ion formed is Pb(OH)4^2 , but would that be written in a balanced netionic equation?
asked by Anonymous 
Chemistry
This question is: How many orbitals are there in each of the following energy levels.. a) 1s b) 6p c) 10f d) 7d e) 5s Now.. do i use n^2 for the number of orbitals in each energy level? Ex. b) would be 36 OR can i state the number of orbitals in each
asked by Jeff 
HCA 230
Do I need to do research online fot the paper on the soicallization of caregivers or if the information is in the reading?
asked by amber 
Confidentiality: computors
Should corrections be date and time stamped?
asked by Leonor Vaid 
Physics Problem 6.20
The center of a 1.10 diameter spherical pocket of oil is 1.10 beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth? Assume the density of oil is
asked by Michael Moskvich 
Physics Problem 6.9
Four 8.5 kg spheres are located at the corners of a square of side 0.56 m Calculate the magnitude and direction of the gravitational force on one sphere due to the other three?
asked by Michael Moskvich 
physics
how do i solve this, i tried dividing the mass by the height, but its wrong A 407kg pile driver is raised 15 m above ground. (a) How much work must be done to raise the pile driver?__kj (b) How much work does gravity do on the driver as it is raised?__kj
asked by james 
college
I am having difficulties doing an eguation for two different times/seconds on an object that is thrown in the air......please help!
asked by Sue 
Physics Problem 6.22
It can be shown that for a uniform sphere the force of gravity at a point inside the sphere depends only on the mass closer to the center than that point. The net force of gravity due to points outside the radius of the point cancels. How far would you
asked by Michael Moskvich 
basic math
If 3 pounds (lb) of apples cost 90¢, what will 10 lb cost?
asked by latoya 
statistics
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by shauna 
8th grade
is a shortage of tyrosine the cause of albinism? can u explain the answer.
asked by Shannon 
algebra
Solve tne compound inequality 4x+2>= 22 or 7x+2>= 19 Thank you
asked by jess 
basic math
Determine if the given rates are equivalent. 9in/57 miles = 6 in/38 miles
asked by tea 
Math
Would you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair coin 1000 times? A) You would be more likely to get at least 70% tails if you flip a fair coin 10 times than if you flip a fair coin 1000 times. B)
asked by Nicole 
math
Write the proportion that is equivalent to the given statement. If 16 pounds of fertilizer cover 1,520 square feet, then 21 pounds should cover 1,995 square feet
asked by john 
calculus
A) How do you prove that if 0(
asked by Sarita 
Chem
what would the chemical equation look like for each IUPAC name 4phenyl2pentyne b. 2phenyl3pentyne c. 3phenyl4pentyne d. 2phenyl4pentyne
asked by bryan 
11th grade English
The Book of "The Great Gatsby" Describe the "valley of ashes." What does it look like, and what does it represent?
asked by Javier 
Confidentiality: computors
When should a patient be advised of the existence of computerized databases containing medical information about the patient?
asked by Leonor Vaid 
math
Determine whether each pair of fractions is proportional.. 5/12 = 8/20 find each unit rate 657,200 libary books/5,200 students
asked by john 
accounting
BizKid Company’s adjusted trial balance on August 31, 2005, its fiscal yearend, follows:
asked by Anonymous 
Physics
Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. If you weigh 665 on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun
asked by Mikhail 
math 10 general math
what is the yield for 8.5% compound continously?
asked by erica 
Personal Finance Concepts
How to set up the problem. Calculate the aftertax yields on the foregoing investments, assuming the Brittens have a 28% marginal tax rate. And they are going to purchase a condominium for $100,000 with an expected annual increase in market value = to 2%
asked by Karen 
11th grade Physics
What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?
asked by Javier 
10th grade
determine m given that m>0 and the points (m,3) and (1,m) lie on a line with slope m
asked by kelly 
math
Suzy can paint a house in 4 hours. Peter can paint the same house in 6 hours. How long will it take to paint the house if they painted it together?
asked by Diane 
English
Thank you very much for your last corrections. Can you check these sentences, too? Thank you very much in advance. 1)Th urban population was affected by serious diseases such as smallpox nd typhus. 2)The majority of children died before the age of five
asked by Franco 
math
Find the best buy on Shampoo: 4oz for 1.16 7 oz for 1.52 15 oz for 3.39
asked by john 
PreCal(Please help)
1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the
asked by Abbey 
chemistry
2 litres of acetronitrile is accidently spilt in a school lab of dimensions 40x20x10m and most evaporates calculate the ambient concentration of acetonitrile reach assuming that there are no air changes in the lab
asked by Heather 
ruhdugeard
recent intergovernmental scale events
asked by ruhdugeard 
Reading
How do you write a character analysis?
asked by Sara 
Reading
Why is magic important in folktales?
asked by Emma 
english
what is 3 or 4 methods used to write about literature
asked by LIsa 
11th grade Physics
What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^3 ohms?
asked by Javier 
11th grade Physics
What is the current produced by a 9volt battery flowing through a resistance of 2 x 10^4 ohms?
asked by Javier 
physics
how do i go about in solving this? A helium atom (mass 4.0 u) moving at 596 m/s to the right collides with an oxygen molecule (mass 32 u) moving in the same direction at 402 m/s. After the collision, the oxygen molecule moves at 445 m/s to the right. What
asked by jess 
calc
f(x) = e^x/1+e^x find the horizontal and vertical assymptotes? find the interval whr f is increasing? Find the inflection point. Find the interval where the function is concave up. Find the interval where the function is concave down.
asked by bella! 
calc
Consider the function below. (Round the answers to two decimal places. f(x) = 2x tan(x) p/2 < x < p/2 (a) Find the interval where the function is increasing. Find the interval where the function is decreasing. (b) Find the local minimum value. (c) Find
asked by bella 
Reading
Who's point of view is it from, if it's not any of the character's point of view?
asked by Emma 
Math
these are some problems i do not get any help is appreciated. These are copied exactly from the worksheet so i don't think i wrote anything wrong. Please explain it for me and could i get the answer thanks (: Log7 x= ½ log7 36 (log base 7) log x=2log 5+
asked by johnica martin 
PreCal
1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3 I know the first term is 2 but the sqrt 3 threw me off so I do not know how to find the next numbers. 2) Find the nth term of the geometric sequence. a2 = 3 a5 = 3/64 n=1 I know the
asked by Abbey 
language arts
did i punctuate this sentence correctly? "They wanted to have the woman give birth to healthy babies, but they wanted to get as much work out of the woman as possible; therefore, the women were given lighter tasks."
asked by maggie 
Chemistry
A gas sample containing only SO2, PF3 and SF6 has the following mass percent composition: 30.4% SO2 and 28.4% PF3. Calculate the partial pressure (atm) of SO2 if the total pressure of the sample is 676.4 torr. I tried taking the total pressure in atm and
asked by Luc 
math
Here is the question I have to answer. Find the area of the specified figure. Show how you can use the formula for area to find the answer. I know you can't see the graph but can you direct me in the right direction of solving these. I don't know if there
asked by ed 
Economics
If at least 1 of the conditions for a perfectly competitive market is not met, does this invalidate the model of perfect competition?
asked by Irma 
English
Is this sentence already correct? No we have not heard from Mrs. Whittaker since she moved to Iowa City. I think it should be No, we have not heard from Mrs. Whittaker since she moved to Iowa City. I don't think that you need one before the "since". Do
asked by Lou 
Corporate Finance
Taylor Inc. has preferred perpetual stock outstanding that has a par value of $100 per share and a dividend yield of 9.4% of stated value. If the appropriate interest rate for Taylor’s preferred stock is 8.3%, how much is each share of preferred stock
asked by Christie 
chemistry(check my work)
Calculate the value of the equilibrium constant (Kp) for the reaction displayed if the following equilibrium pressure data were measured at 25.00 °C: P(H2(g)) = 0.2282 atm, P(I2(g)) = 0.1646 atm, P(HI(g)) = 5.462 atm. H2(g)+I2(g) = 2HI(g) is it like this,
asked by bme1 
adult education
Sue and Tom Wright are assistant professors at the local university. They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that
asked by Peekay 
Statistics 107
If two dice are rolled simultaneously, what is the probability that the number is the same on both dice?
asked by Debbie 
PHYSICS
2 people,1 with 3 times the mass of the other, attempt a tugofwar on frictionless ice. Show that the heavier person will gain a speed 1/3 that of the lighter person.
asked by sherri 
Foundations in Information Technology
Give an example of a subset and a proper subset. Explain the difference between a subset and proper subset.
asked by JOHN 
floral design
cordyline terminails is the botanical name of the
asked by Ana 
Survey of Mathematics
Give an example of a subset and a proper subset. Explain the difference between a subset and proper subset. plz help
asked by JOHN 
7th grade
Radon22 has a half life of 4 days. If you begin with 32 grams of radon, how many grams will be left after 20 days?
asked by Kipper 
Economics
When Burton Cummings graduated with honors from the Canadian Trucking Academy, his father gave him a $350,000 tractortrailer rig. Recently, Burton was boasting to some fellow truckers that his revenues were typically $25,000 per month, while his operating
asked by HelpMePlease 
chemistry
the specific heat of water is 4.184 j/gc(celcius). how much heat is required to raise the temperature of 5.0 g of water by 3.0 c(celcius)?
asked by demond 
chemistry
how much energy i kj is required to change the temp of 1.00 kg of fe from 25.0 degrees celsius to 1515 degrees celsius?
asked by danielle 
Reading
Why would eggs containing terrible things, are so beautiful on the the outside and eggs containing beautiful things, are plain on the outside?
asked by Emma 
Physics
A 500kg elevator's cable snaps at a height of 15m. fortunately, there's a spring at the bottom of the shaft. If the spring has a spring constant of 500N/m, calculate how much it will be compressed before the elevator comes to a stop.
asked by Brennen 
spanish
i have to write a sentence using tocar. is this correct a mis padres les toca arreglar la sala.
asked by brooke 
algebra 2
5^2x=3
asked by bailey 
Physics
A new computer has a virus and you throw it out the window which is 10m above the ground. If the mass of the computer is 5.7kg, how much kinetic energy will it have when it has fallen 5m?
asked by Brennen 
chemistry(please check formula)
how much energy i kj is required to change the temp of 1.00 kg of fe from 25.0 degrees celsius to 1515 degrees celsius? so it would be q= (.449)(1.00)(1490)correct?
asked by danielle 
physics
10 joules of work is done accelerating a 2.0 kg box from rest across a frictionless horizontal surface. calculate the total kinetic energy gained by the box.
asked by Brennen 
science
where in the renal tubule is potassium and sodium reabsorbed by the blood?
asked by jenna 
Language Arts 7th Grade
I am doing a project on Percy Jackson and the Olympians: The Lightning Thief. I need to five 5 Hero's Journey Archetypes, but i can't seem to think of any except for 2 which are The Underworld and The Hero. I do not have my archetypes list with me so i am
asked by abby 
Chemistry
I need help on a complex ion equation. I am not sure what the products are. Please help. Fe(OH)2 (s) + NaOH(aq)>
asked by Anonymous 
his 125
if the 14 Points were actually followed could World War II have prevented? Even without the League of Nations would the reforms Wilson advocated for foreign relations have worked?
asked by marie 
trig
which of the following sets gives the x coordinates where the parabola y=x^2+4X50 and the line y=7x10 intersect when drawn in the coordinate plane
asked by Emma 
College Accounting
Night office manager's returned $100 worth of supplies to Gordan office supplies. Night received a $100 reduction on the account. Which to account was affected
asked by Armetrice 
biology
need a list describing at least five similarities and three differences between plant and animal cells. In addition i need five internal structures of plant or animal cells and describe their functions in my own words.
asked by Anonymous 
Read
Do you think all people in real life are all good or all bad? Why?
asked by Ashley 
Business Management
What are some strategies of persuasive messages used by etailers
asked by Margret 
Physics 203
Mars rotates on its axis once every 24.8 hours. What is the speed of a geosynchronous satellite orbiting Mars? What is the altitude of a geosynchronous satellite orbiting Mars?
asked by Michael Moskvich 
trig
which of the following sets gives the x coordinates where the parabola y=x^2+4X50 and the line y=7x10 intersect when drawn in the coordinate plane
asked by Emma 
PLZ HELP!!!! communication
DEFINITIONSelective listening: Involves focusing only on particualr parts of communication QUESTIONSelective listening is effective because we focus on the most important parts of a message. True or False my only problem is the deffiniton says
asked by Hannah 
astronomy
How many light minutes are in a light year?
asked by Anonymous 
Human Services
1. Analyze the following ethical dilemma from the perspective of rationality and respect (Dilemma Tucker & Marcuson, 1998). A local nonprofit organization that networks with other service agencies in the area was designed to fill gaps in needed services
asked by Anonymous 
economics
Should the manager of EverKleen continue to operate or should the firm shut down
asked by Anonymous 
english
I just need something to get me started. Do you know of a Cultural Symbol or a Cultural Tradition I can write about. I've been trying to do this project for weeks and I do not know what to do. I know it's easy, but I can't find what it;s asking. please
asked by amene 
communications
I have to write about if I think smell should be a nonverbal communication. This is my into and I have some notes, but that's it. I don't know hat else to put and I know it's not enough. Smell communication appears to be unrelated to nonverbal
asked by amene 
college
One Number Is 3 Times Another Number. If The Sum Of The Reciprocals Of The Numbers Is 1/6, What Are The Two Numbers?
asked by Tee 
accounting
If you are puchasing furniture from your business and want to use your own owners equity instead of cash what would be the journal entry if any
asked by jessica 
science
You are a board member of your Home Owner’s Association. At your next meeting, your goal is to educate other homeowners about energy conservation
asked by Anonymous 
English
Can you please tell me if the following corrections are all right and help me improve them? Thank you very much in advance. 1)During Walpole's government England was fortified in economy and in the relationships between other countries. Correction: ...
asked by Franco 
HIV and AIDS
I have to write a 1 to 2 page report about how research and medical advances in the field of AIDS. then I need to mention laws, regulations, and public health warnings that are given today to protect society. I can't find any laws in Ontario (my home
asked by AL 87 
human resources
Discuss, in 200 to 300 words, the four steps an organization should take to change its personality profile. What should the organization consider before developing such a plan?
asked by susan 
Physics
In the absence of external torques, the angular momentum of a system is conserved. An artificial satellite orbiting the Earth quadruples its kinetic energy. Assuming no external torques act on the system, the radius of the orbit will ... a. Decrease by a
asked by Sandra 
Chemistry
How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)
asked by Cassy 
management
Today, many organizations and managers face new challenges on a daily basis. One critical aspect of the skills that managers lack is planning. You have been asked by your manager to conduct a preliminary search of recommending the two most common types of
asked by Akin 
algebra
Solve by the elimination method 0.3x0.2y=4 0.4x+0.5y=  55/17 Thank you
asked by jess 
social sciences
Discuss the importance of social capital in achieving sustainable economic development in Caribbean economies.
asked by Dinish 
algebra
Could you please help me solve. 3x+10>=7 and 2x14>=8 >= means greater than equal then thank you
asked by jess 
Physics
In a hydrogen atom, if the radius of the orbit of the electron is doubled, then its energy will ... >> Increase by a factor of 2??
asked by Kat 
Physics
To reduce the frequency of a particle when it behaves like a wave, we need to ... Increase its mass Reduce its speed Increase its speed Hit it with low energy photons Hit it with high energy photons Does the same wave theory apply? i.e. V = f(lambda)
asked by Kat 
Math for teaching.
m∠IJN is 55°; m∠IJN = m∠PLM. What is the measure of ∠FGC? Can you help me this. I do not understand at all
asked by Jill 
government
You are a board member of your Home Owner’s Association. At your next meeting, your goal is to educate other homeowners about energy conservation.
asked by Anonymous 
math
A recent poll of 500 randomly chosen voters concludes that 60% of the voters prefer this canidate. Determine the probability that the candidate will get less than 56% of the votes. How do I do this type of question? i have a few to figure out.
asked by Sandy 
physics
How do i find this? A shooting star is a meteor that burns up when it reaches Earth's atmosphere. Many of these meteoroids are quite small. Calculate the kinetic energy of a meteoroid of mass 6.0 g moving at a speed of 45 km/s and compare it to the kinetic
asked by raina 
Programming Design
Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for their clients. Victor, who is the vet, charges a flat fee of $100 for medical services and a flat fee of $50 for shots. Velma does
asked by Eric 
English
What is the difference between 'dish' and'plate'?
asked by rfvv 
English
1. He had a slight headache. 2. He had a light headache. 3. He had a little headache. 4. He had a bad headache. 5. He had a severe headache. 6. He had a terrible headache. 7. He had the flu. 8. He had a flu. 9. He had flu. (Which ones are right? Can we
asked by rfvv 
physics
how do i go about in solving this? Sean climbs a tower that is 84.6 m high to make a jump with a parachute. The mass of Sean plus the parachute is 66.8 kg. If U = 0 at ground level, what is the potential energy of Sean and the parachute at the top of the
asked by anna 
Geography
51. How do the monsoons and the mountains influence the climate in South Asia? Include in your answer an analysis of how monsoons can be responsible for survival and hardship in this region. Seasonal shifts in the winds are called monsoons. In winter, the
asked by y912f 
math
In the linear equation: y =4x + 5 what is the y intercept?
asked by heidy 
Geography
52. Do you think that the British influence in India was positive or negative? Explain your answer. Can I please get some help with this question? Thank you.
asked by y912f 
English
1. He painted food for hungry people. 2. He painted food for the hungry. (Are both the same?) 3. In China, there lived a poor boy who loved to paint(,) and whose name was Ma Liang. (Is this sentence grammatical? Do we have to use 'comma' before 'and' or
asked by rfvv 
physics
in what direction will a freely suspended magnet come to rest?
asked by abhijeet 
physics
in what direction will a freely suspended magnet come to rest?how can you determine which direction is north and which is south?
asked by abhijeet 
physics
Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force acting on the box is 3.00 N. How much total work is done on the box in moving it 3.10 m along the floor?
asked by anna 
physics
how would i solve this? A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal (the figure below). The total weight of the sled is 470 N. The tension in the
asked by jess 
Computers
Does Webbased mail allow me to use a server or browser as email client software? This is confusing since I might use Google to browse for my email and it might also serve as my email provider through my Gmail account. In either case, I hadn't considered
asked by Jean 
History
1) What factors shaped the move from colonial, country life to modern, urban life? What was urban city life like during the rise of urbanization? How was it different or similar to modern urban life? 2) With the emergence of urban cities came the need for
asked by Lauri 
Environmental Science
Nonliving and living factors that contribute to or are affected by the problem of the ozone layer?
asked by Keza 
English
Why couldn't the emperor get back to the palace? 1. Because the boat in which the emperor and his wife were broke. 2. Because the boat which the emperor and his wife were in broke. 3. Because the big waves broke the boat which the emperor and the empress
asked by rfvv