Questions Asked on
July 1, 2012

W
A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 24.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 16.0° angle with the vertical as indicated, what
asked by Kaitie 
Maths
M squared is greater than or equal to 36 How to find m I only have one set of answers for m and that is m is greater than or equal to 6 How to find the second set? Working out please
asked by Jiskhaa 
chemistry
What is the molality of a solution containing 7.8 g of MgCl2 in 725 g of water?
asked by gigi 
Algebra
Given f(x) = radical x2 and g(x) = x2 – x – 6. Find (f – g)(6). A. 26 B. 26 C. 22 D. 22 E. 2
asked by Amber 
Algebra
Given f(x) = radical x2 and g(x) = x2 – x – 6. Find (g o f)(6). A. 4 B. 2 C. 24 D. 26 E. 48
asked by Amber 
science
two tall buildings are 200m apart .with what speed must a ball be thrown horizontally from the window 540 m above the ground in one building, so that it will enter a window 50m above the ground in the other?
asked by jo 
Engineering Physics
You want to use a spring (k=100 N/m) to send a 500g mass up a frictionless incline (30 degree to horizontal) to arrive at a platform 3m above the ground. How far should you compress the spring?
asked by John 
social studies
where is the mountain range in the sourthern hemisphere along 75degrees west?
asked by hadiya 
science
a hunter aims his gun and fires a bullet directly at a monkey in a tree. at the instant the bullet leaves the barrel of the gun,the monkey drops. will the bullet hit the monkey .substantiate your answer with proper reasoning.
asked by jo1 
science
a man wishes to cross a river in a boat .if he crosses the river in minimum time then he takes 10min with a drift of 120 m .if he crosses the river taking shortest route,he takes 12.5min find the velocity of the boat with respect to water.
asked by jo1457 
science
to prepare 500cm^3 of glucose solution of concerntration 1M. The chemical formula of glucose is C6H12O6.calculate (1)the relative molecular mass and molar mass.(2)the amount of glucose which will be in the solution.(3)the mass of glucose to be weighed
asked by abajane 
science
to prepare 500cm^3 of glucose solution of concerntration 1M. The chemical formula of glucose is C6H12O6.calculate (1)the relative molecular mass and molar mass.(2)the amount of glucose which will be in the solution.(3)the mass of glucose to be weighed
asked by abajane 
science
a particle is moving with a velocity of 5m/s .after 5sec it is found to be moving with velocity of 12 m/s in a direction perpendicular to the original direction.during these 5sec find 1.change in speed, 2.change in velocity and magnitude of change in
asked by jo147 
science
a person walks up a stationary escalator in t1 second if he remains stationary on the escalator then it can take him up in t2 second if the length of the escalator is L,then 1.determine the speed of man with respect to escalator 2.determine the speed of
asked by jo145578 
science
a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth.determine the velocity of the boat relative to an observer standing on either bank
asked by jo1475 
science
a person standing on a road has to hold his umbrella at 60 degree vertical to keep the rain away he throws the umbrella and starts running at 20 m/s he finds that rain drops are falling in him vertically. find the speed of the rain drops with respect to
asked by jo145578 
maths
two 2 digit numbers reading across and two 2 digit numbers reading down
asked by Thomas 
Foreign languages
Writeacher, thank you very much! Can you please check these sentences, too? 1) They left for the supermarket a few minutes ago.My child is with them. They need to buy food for lunch and won't be back until noon. We'll spend the afternoon at home because
asked by John 
psychology
Your friend James would like to stop biting his nails. A therapist suggests applying a topical ointment that will make nail biting an unpleasant experience, in a way, punishing James for his behavior. The therapist is using a _______________ perspective
asked by Anonymous 
mnhs
an open box is to be made from a rectangular piece of tin 12 inches long and 10 inches wide by cutting pieces of xinches square from each corner and bending up the sides.find the domain of the function ?
asked by melchor 
Foreign languages
Can you please check these questions, Witeacher? Thank you. 1) Focus on Chapter 10 of Stevenson's Dr. Jekyll and Mr. Hyde and describes how Dr. Jekyll manages to separate his two identities. 2) What kind of narrative technique does Stevenson adopt? 3) In
asked by John 
chemistery
how many grams of NaOH are needed to react with two moles of H2SO4
asked by erika 
physics
A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz. Calculate the time required for a pulse of radar waves to reach an airplane 4.0 km away and
asked by LL 
geometry
What is the surface area of a rectangular prism with a length of 12 cm, a width of 6 cm, and a height of 4 cm?
asked by Jessica 
Foreign languages
Thank you. Here are a few other sentences I'd like you to check. 1) How is the theme of the double investigated in Shelley's Frankenstein? As for Shelley's Frankenstein, both Doctor Frankenstein and his creature are complementary: They both suffer from a
asked by John 
Maths
On August 1, 2011 Blancard Inc. Issued $250,000 of 10%, seven year bonds. Interest is to be paid semiannully. Calulate the issue price of the bond if the market interest rate was 12%.
asked by Jessica 
math
A square pyramid has a surface area of 202 ft2 and a base area of 53 ft2. What is the lateral area of the pyramid? A.149 ft2 B.96 ft2 C.174 ft2 D.151 ft2
asked by Jessica 
FINA310 unit4 Financial management
Is there any submitions that can help me with this IP on the manufacturing company
asked by lady m 
math please do it for me, i need it
f'(sinx)=cos^2x,f'(1)=1 then f(x)=
asked by bhavana 
Accounting
If a client asks me to do a balance sheet for a given month, but they put a question mark beside Truck and Accounts Payable in the assests column..can I even do the balance sheet since these are part of the assests?
asked by Steven 
Foreign languages
Can you please check these questions, too? Thank you, Writeacher! 1) Which characteristics of the old ballad form does The Rime of the Ancient Mariner contain? In what way does the Rime depart from the ballad? 2) How are the elements of nature presentend
asked by John 
Foreign languages
I left out the following questions. Thank you. 1) What effect did Poe aim to achieve in moast of his short stories? Which theory did Poe work out in his Philosophy of Composition and who was he inspired by? 2) What are the main feautures of Poe's tales?
asked by John 
Math
. Jacksonville Technical College received $3,445,553 in state aid on September 15 for the fall academic semester. The vicepresident for finance decided to invest $2,000,000 in a 2month investment that pays 11.5% simple interest. How much interest will
asked by Alex 
precalculus
Write each expression as sine, cosine, or tangent of an angle. Then find the exact value of the expression tan 50tan20/1+ tan 50 tan20
asked by ama 
business management
Complete the Consulting Project Plan. Revise and apply feedback as appropriate for Part One and Part Two. Include these revised sections in your final submission. Describe the applicable functional areas of business. Refer to your University of Phoenix
asked by missy 
math please try this.....need it
f'(sinx)=cos^2x f'(1)=1 then f(x)=?
asked by bhavana 
Foreign languages
Can you check these other sentences, please? 1) "I ate all the cake yesterday." (Peter/confess to) Shall I include "to"??? 2) Peter confessed to eating all the cake. Peter confessed that he had eaten all the cake. 3) If Iknew the answer, I’d tell you. If
asked by John 
chemistry
3h2+n2 makes 2NH3's if I have 4 moles of H2 instead and 2 moles of N2 would I still just say I have 2.0 or 2.7?
asked by erika 
geometry
if i know one angle between the diagonals at intersecting point , how can i find the angle between the sides and the diagonal?
asked by sush 
Rate measure
A balloon in the form of a right cone surmiunted by a hemispere,having a diameter equal to height of the cone,is being inflated.how fast is its volume changing w.r.t its total height 'h' when h
asked by Abhi 
physics
A .035kg bullet is fired vertically at 180 m/s into a .15kg baseball that is initially at rest. How high does the combined bullet and baseball rise after the collicion, assuming the bullet embeds itself in the ball? Answer in meters.
asked by Alma 
geometry
find the measure of DAED for MDBEC=96 degree
asked by sandra 
precalculus
sinθ=12/13, θ lies in quadrant II. Find the exact value of sin2θ, cos 2θ, tan2θ
asked by ama 
Algebra 1
Help me please. y=2x x+y=0 im working on solving systems by graphing. I don't know how slope work yet, right now we working on x and y intercepts. I'm Lose please help
asked by %%%Rena%%% 
Damon *Algebra
can you please break this equation down for me.I saw how you got 0,0 but im confusing my self on the rest of the problems such as 3x+2y=8 2x3y=1 heres my answer (2,1) am i correct?
asked by %%%Rena%%% 
Math
p=80000, r=10.5, t=15, m=12
asked by James 
Physics
small cube of copper (density = 8930 kg/m3) is used to support a large cube of marble (density = 2560 kg/m3). The copper cube has sides of length 2.00 cm and is carefully placed on a flat, level table under the center of the cube of marble that has sides
asked by AL 
Physics
7. A plastic cup, 15.0 cm in height, is filled to the rim with water. A small hole is punctured in the cup at a height 9.00 cm above the bottom of the cup and is allowing water to spew out. At what distance does the water land from the bottom of the
asked by AL 
algebra 1
Marcos drove twice as far as Candice. Together, they drove 66 miles. Which equation can be used to find the number of miles Candice drove?
asked by materia 
algebra
If an electronic circuit experiences a loss of 3 decibels with an input power of 6 watts, what would its output power be, to the nearest watt?
asked by Jay 
computer science
Can you help me break this into two clases, and Employee class and the default program class? I have to include a mutator and accessor method and provide properties for the instance variables. namespace commission { class Program { static void
asked by anon 
chemistry
what mass NaOH is required to react exactly with 25.0 ml of 3.0 M H2S04
asked by Larry 
Calculus
Find if the limit exists. lim tan(x)/x x>0 Please show how you determined this. Thanks!
asked by Liz 
albebra
algerbraic experession the difference between five tiemes a number and two
asked by Anonymous 
Chemistry
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.7L bulb, then filled it with the gas at 1.30 atm and 30.0 C and weighed it again. The difference in mass was 3.9 g. Identify the gas. I used Pv=nRT
asked by Kasey 
MATH
A Starbucks on campus sells cappuccinos in three sizes: tall for $2.65, grande for $3.20, and venti for $3.50. One morning, Brianna served 50 cappuccinos. The number of tall and venti cappuccinos, combined, was 2 fewer than the number of grande
asked by john 
food
children should not be served drinks in containers made of..
asked by Anonymous 
Organic Chemistry
A halflife of a H2O2 solution at a certain condition is 4 weeks. You have a 100 mL of 1.00M H2O2 solution. How many moles of H2O2 will be left in the solution after the following weeks? 04 weeks after: moles 08 weeks after: moles 16 weeks after: moles 20
asked by Ashley 
Chemistry
A halflife of a H2O2 solution at a certain condition is 4 weeks. You have a 100 mL of 1.00M H2O2 solution. How many moles of H2O2 will be left in the solution after the following weeks? 04 weeks after: moles 08 weeks after: moles 16 weeks after: moles 20
asked by Ashley 
chemistry
The disintegration of a radioisotope, such as I131 to Xe131, is another example of a firstorder reaction. It has a halflife of 8.0 days. I131 > Xe131 + e If you start with 1.40 g I131, how many grams of I131 will be left after the following days?
asked by Ashley 
chemistry
The disintegration of a radioisotope, such as I131 to Xe131, is another example of a firstorder reaction. It has a halflife of 8.0 days. I131 > Xe131 + e If you start with 1.40 g I131, how many grams of I131 will be left after the following days?
asked by Ashley 
Engineering Physics
You want to use a spring (k=100 N/m) to send a 500g mass up a frictionless incline (30 degree to horizontal) to arrive at a platform 3m above the ground. How far should you compress the spring?
asked by John 
maths
Please help! At a cup cake baking competition, Alan baked 55 fewer cupcakes than Tom while Sally baked twice as many cupcakes as what Alan and Tom baked together. If the three of them baked a total of 1125 cupcakes, how many cupcakes did Tom bake? Many
asked by BRYAN 
water treatment
what is the water flow ratein a 24 in. diamiter pipe in gpm. when the flow velocity is 3.0 ft per second
asked by Anonymous 
Art
Is this building an example of Islamic Architecture? (The exterior mainly) Type in Notre Dame de Fontevraud on ya hoo and it should be the first link for pictures of it.
asked by Anonymous 
algebra
1,200 mils to inches (Round answer to the nearest tenth.)
asked by Jade 
acct
Using the Exact Interest rule, compute the interest on the following note: $9,000 for 45 days at 23.5%. (round to the nearest cent)
asked by roxy 
Mah
A business issued a $9000, 120day note to a supplier which discounted the note at 9%. The proceeds are:
asked by Alex 
Algebra
32 ½ meters to feet (Round answer to the nearest thousandth.)
asked by Jade 
payroll
An employee's rate of pay is $40.00 per hour, with time and a half for all hours worked in excess of 40 during a week. The following data are available: Allowances claimed on W4 4 Allowance amount allowed:$70 ea. Hours worked this week 50 Y T D Earnings
asked by jim 
math
Pre Algebra Questions Sketch a model and obtain the sum. 3 + (7)
asked by Wesley 
Reading
Which part of speeh is the word "yellow" in this sentence? The house appeared "yellow".
asked by AMY 
physics
Why do the magnetic poles of cans reverse when turned upside down?
asked by Lauren 
Physics, Angular displacement
A 20 kg sled is being pulled along a horizontal stretch of snow covered ground by a horizontal force of 30 N. Starting from rest, the sled attains a speed of 2.0 m/s in 12 m. Using the workenergy theorem, find the coefficient of kinetic friction between
asked by kaleb 
Economics
The company estimates the probability of no damage to be 0.60, the probability of damage between $0 and $10,000 to be 0.25, and the probability of damage between $10,000 and $25,000 to be 0.12. If the company wants to make a profit of $200 above the
asked by Sonya 
Physics Angular displacement
A car is traveling with a speed of 25 m/s along a straight, horizontal road. Each wheel has a radius of .25 m. If the car speeds up with a linear acceleration of 2.0 m/s^2 for 6.0 s. Find the angular displacement of each wheel during this time in
asked by kaleb 
soc 120
This is a reason an employer might restrict employee Internet access: (Points : 1) Employees waste too much time on the Internet. Viewing certain kinds of sites could lead to a hostile work environment. An employer can guarantee Internet access is
asked by bob johnson 
soc 120
5. The Ford Pinto case demonstrated that (Points : 1) it was costeffective in the long run to allow purchasers to die. it was costeffective in the short run to allow purchasers to die. accountants should not be trusted. the Pinto was Ford's best product.
asked by bob johnson 
Physics
A sunbather lying on a floating raft that experiences no friction with the water gets up and walks to the western end of the raft. While she is walking, how does the center of gravity of the system composed of her and the raft move? Why? If the mass of the
asked by kaleb 
algebra
38 milliamps to amps (Round answer to the nearest thousandth.)
asked by Jade 
Mathfactoring
factor 5m^2m20
asked by Hank 
physics
A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz.
asked by LL 
Art
What is the actual effect of linear perspective used in the mosaic, Madonna and Child with the Emperors Justinian and Constantine
asked by Anonymous 
geometry
find the center and radius of (x+8)2 + (y+4)2 =49
asked by Anonymous 
calculus
Hey I am working on differentiation/quotient rule for this problem...can someone help me? x^23/x2.
asked by hi 
Math
1. Write the place name for the 4 in the following number: 3,624,786 Answer: Thousand 2. Round the following number to the nearest ten: 53 Answer: 5 3. Find the sum of the following problem: 2,168 + 305 Answer: 2473 4. Estimate the sum of the following
asked by Silika 
Finance
Butler Corp paid a dividend today of $3.50 per share. The dividend is expected to grow at a constant rate of 8% per year. If Butler Corp stock is selling for $75.60 per share, the stockholders' expected rate of return is:
asked by Anonymous 
Physics
A2.0kg piece of steel with a temperature of 70 degree C is submerged in 1.0 kg of water at 15 degree C. At what temperature does the water/metal system reach equilibrium? The specific heat of steel is 0.107 cal/(g*K). Specific Heat of water is 4185
asked by AL 
HUMAN DISEASES
Regarding lipoproteins: A) HDL promotes coronary artery disease B) The higher the ratio of lipid to protein, the higher the density C) LDL proportionately has more protein to lipids D) LDL is promotes coronary artery disease E) none are true
asked by Kristie 
Algebra
2,250 watts to horsepower (Round answer to the nearest thousandth.)
asked by Jade 
chemistry
I need to derive a net ionic equation after balancing: NA2PO4 (2) +HI =? what I have so far is NA2Po4 +2HI = 2NAI +H3PO4 I can't get any farther but the answer is HPO4 (2) +H =H2PO4 can someone help me with the steps?
asked by Nancy 
HCA/220
Does anyone know where to find an article on the seven organizational approachs to studying thehuman body an how and when they are used in health care? It keeps pulling up essays and I don't want essay's it will be plagerism
asked by Anonymous 
HUMAN DISEASES
WHAT IS THE Highly sensitive blood test and marker for myocardial infarction CALLED
asked by Kristie 
Science
How much heat is necessary to change 30 g of ice at 20°C into water at 20°C?
asked by Anastacio 
Physics
which has the greater average speed: a car that travels from milepost 35 to milepost 40 in 5 minutes, or one that travels from milepost 68 to milepost 78 in 10 minutes?
asked by Tim 
Math
How do you write eight hundred eleven thousand, four hundred fifty in standard form?
asked by Emma 
Calculus
u=1,3 and w= 2,5. Find the component form of the vector. 3. 2u + 3w A 0,1 B 5,12 C 2,3 D 1,2 E 3,8 F 4,9
asked by Brock 
math
How much must be set aside each month at 12% annual growth compounded monthly for 30 years in order to be able to retire on $4,500 per month for 15 years at 3% annual growth compounded monthly?
asked by Kristie Howard 
algebra
s=0 cost =$25 s=1 cost=$41 s=2 cost =$57 s=3 cost=$73 Let s stand for sets of prints ordered. write the RULE that describes a student's total cost.
asked by Shelby 
XBIS Pheonix
Club IT website and interviews with Ruben and the staff to perform an analysis of the Information Technology status of the business. Identify three business problems you see at Club IT in terms of resources, customers, and supply chain.
asked by jim