Questions Asked on
October 7, 2011

Physics
A boat moves through the water with two forces acting on it. One is a 1500 N forward push by the motor, and the other is an 1400 N resistive force due to the water. (a) What is the acceleration of the 1100 kg boat? m/s 2 (b) If it starts from rest, how far
asked by Savannah 
Chemistry
The bond in O2 is shorter than the OO bond in compounds that contain an OO single bond. Explain this observation.
asked by Caitlin 
Physics
The hammer throw is a trackandfield event in which a 7.30kg ball (the hammer) is whirled around in a circle several times and released. It then moves upward on the familiar curved path of projectile motion and eventually returns to the ground some
asked by Mary 
chemistry
Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of
asked by sam 
MATH: Functions
The radius, r, in centimeters, of a melting snowball is given by r=502.5t, where t is time in hours. the snowball is spherical, with volume V=4/3(pi)r^3 cm^3. Find a formula for V=f(t), the volume of the snowball as a function of time.
asked by Savana 
Chemistry
NaCl is soluble in water, but I2 is not. Explain
asked by Brenda 
earth
Some people have proposed building a giant elevator from Earth's surface to geosynchronous orbit. The top of the elevator would then have the same orbital distance and period as any satellite in geosynchronous orbit. Suppose you were to let go of an object
asked by kendra 
physics
Two objects (41.0 and 20.8 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find the acceleration of the objects and the tension in the string.
asked by Anonymous 
exact differential equation
(x24xy2y2)dx+(y24xy2x2)dy=0
asked by amritha 
statistics
SAT Exam Scores – A school administrator wonders if students whose first language is not English score differently on the math portion of the SAT exam than students whose first language is English. The mean SAT math score of students whose first language
asked by Liz 
Chem
Epsom salts consist of magnesium sulfate heptahydrate. Write its formula. a) How many atoms of oxygen are in 5.15g of Epsom salts? b) How many formula units of the compound are present in 5.15g? c) How many moles of water molecules are in 5.15 g of Epsom
asked by Erica 
Physics
In a location in outer space far from all other objects, a nucleus whose mass is 3.57232e25 kg and which is initially at rest undergoes spontaneous "alpha" decay. The original nucleus disappears, and two new particles appear: a He4 nucleus of mass
asked by bryce tanaka 
English ll
I dentify the complete adj. clause. 1. Many Californians who own homes live on hillsides. A: Who own homes live on hillsides. What word does the adj. clause modify? 3. I elected totake astonomy, which is not a required course. A: Astonomy 4. This course
asked by Angel 
chem
if a fractional distillation failed to separate two components efficiently, what alternatives would one consider to effect clean separation by distillation?
asked by jon 
College Physics
The top layer of your goose down sleeping bag has a thickness of 5.0 cm and a surface area of 1.0 m^2. When the outside temperature is 18 degrees celcius you lose 24 Cal/hr by heat conduction through the bag (which remains at a cozy 34 degrees celcius
asked by Becky 
Math
The point P(8, −3) lies on the curve y = 3/(7 − x). (a) If Q is the point x, 3/(7 − x)), use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. (i) 7.9 mPQ = (ii) 7.99 mPQ =
asked by Nyk 
physics
A boat propelled so as to travel with a speed of 0.50m/s in still water, moves directly (in a straight line) across a river that is 60m wide. The river flows with a speed of 0.30m/s. How long in seconds does it take the boat to cross the river?
asked by lawrence 
physics
2. A tiger jumps horizontally off of a 1.7 meter tall rock with a velocity of 3.2. How far from the base of the rock does the tiger land?
asked by Jessica 
geometry
Triangle XYZ above is similar to triangle UVW (not shown). If the length of one side of triangle UVW is 60, then what is one possible perimeter of triangle UVW
asked by chris 
Statistics and Probability
In a game of skill, a player has probability 1/3,5/12,1/4 of scoring 0,1,2 respectively and the game ends when he scores a zero. Assuming independence of trials, find the probability of the total score being 'n' when the game ends?
asked by Saurabh 
English
Im doing a thesis statement on GAY ADOPTION , and i wanted to know if mine was good so far.. : The majority of states (34) of them , lacks statewide legislation , case law or department regulation addressing gay adoption!
asked by Pashen 
math
If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram.
asked by abhishek 
math models
the length of a rectangle is 8 inches more than its width. the perimeter of the rectangle is 24inches. what are the lenth and width of the rectangle?
asked by woshs 
English II
I dentify the complete adj. clause. 1. This course deals with facts that everyone should know. 2. Many Californians who own homes live on hillsides. What word does the adj. clause modify? 3. I elected totake astonomy, which is not a required course. 4.
asked by Angel 
psychology
. Which of the following is not an early school of psychology? (Points : 1) behaviorism voluntarism nativism functionalism
asked by lisa 
Physics
A cannon ball is shot from a cannon with a horizontal velocity of 200m/s. What is the time until impact on a target 50m downrange? What is the objects horizontal velocity at impact (ignoring air resistance)?
asked by Tatiana 
physics
The air exerts a forward force of 10 N on the propeller of a 0.20 kg model airplane. If the plane accelerates forward at 5.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane in Newtons ?
asked by savy 
Calculus
A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by y = 150 − 1/40(x − 50)^2. Find the distance traveled by the kite. (Round your answer to one decimal place.) THe answer is
asked by Caroline 
Chemistry
Explain why it is necessary to form a double bond in the Lewis structure.
asked by Caitlin 
physics
A body hangs from a spring balance supported from the roof of an elavator. If the elavator has an upward acceleration of 3m/s2 and the balance reads 50N, what is the true weight of the body?
asked by lawrence 
Finance
There are various stakeholders in an organization. The two key stakeholders are the customers and the stockholders. Some financial managers believe that the customer is always right and an organization must do everything possible to win customer delight,
asked by GG 
Chemistry
The dipole moment (mu) of HBr (a polar covalent molecule) is 0.851 D (debye), and its percent ionic character is 12.6 %. Estimate the bond length of the HBr bond in picometers.
asked by Caitlin 
chemistry
The distribution coefficient of a compound between ether and water is 5.8. A student takes 1.5.g of the compound and dissolves it in 45 mL of water. The resulting solution is placed in a separatory funnel and an extraction is performed using 15 mL of
asked by Anonymous 
reading
I have a foster child (my niece) who has been through a lot in the past year. She is having huge difficulty in school. She is in 1st grade. My 21 year old daughter is home with her trying her best to help her but it is getting overwhelming to get her to
asked by Joanne 
College Physics
A 2.30cmthick wood floor covers a 4.0 m x 5.5 m room. The subfloor on which the flooring sits is at a temperature of 16.4 degrees celcius, while the air in the room is at 19.3 degrees celcius. What is the rate of heat conduction through the floor? Use
asked by Becky 
English
Could you please check these sentences? 1) I haven’t been here for long. How long have you been married? Since 1998. (Could you say: How long is it since you got married?) . 2) It’s two months since I last saw Mary. Mrs Brown hasn’t seen her son for
asked by Henry2 
Fine Arts
The Hellenistic style was exemplified in A)Seasted boxer B) geometric cases C) Kouros D)Classical I said B Greek sculpture of the Classical period was characterized by? Greek sculpture of the Classical period was characterized by A)theatrical, emotional
asked by Taki 
College Physics
The top layer of your goose down sleeping bag has a thickness of 5.0 cm and a surface area of 1.0 m^2. When the outside temperature is 18 degrees celcius you lose 24 Cal/hr by heat conduction through the bag (which remains at a cozy 34 degrees celcius
asked by Becky 
English
Can you please tell me if the following phrases are possible? I really don't know if the adjetives or the school equipment is correct. 1) intolerant of albinos. 2) It is better not to be very sensitive and not to take people's comments too hard (to get
asked by Henry2 
teacher aide
Name and provide the website address of the National OHS organisation. Visit their website and download a piece of information relevant to your workplace. Please help thanks for your time!
asked by kayla 
Science
1. What is the question that this study aimed to answer? State the hypothesis that you tested. I completed the lab but I don't understand what it is that I am testing. The lab had me test fragmentation at 0,25,50 and 75%.Included Spiny Grass, Blue bunch
asked by Tameika 
statistics
To test H0:µ =80 versus H1:µ < 80, a simple random sample of size n = 22 is obtained from the population that is known to be normally distributed. (a) If = 76.9 and s = 8.5, compute the test statistic. (b) If the researcher decides to test the hypothesis
asked by Liz 
Chemistry
A student synthesized 6.895 g of barium iodate monohydrate by adding 30.00 mL of 5.912 x 101 M sodium iodate, NAIO3. 125 mL of distilled water as used to wash and transfer the precipitate, rather than 20 mL of chilled distilled water (at 4* C). The
asked by Chelsea 
3rd
to the nearest ten, a jar contains 60 marbels. What is the least number os marbels that can be in the jar? What is the greatest number?
asked by nath 
PreCalculus
Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)
asked by Tonya 
Science
What is a good website to find interesting facts? Can you please give several possible website?
asked by Cashton 
government
What do you think of the government limiting services for medicaid holders?
asked by rachel jj 
algebra
What happens when you plug 1 in for x into this rational expression (x^21)(x1)x
asked by Katy 
algebra
How would you solve 3/4 x 8/9
asked by Katy 
algebra
How would you solve 7/12 divided by 7/6
asked by Katy 
algebra
How would you solve 2/3 + 5/4
asked by Katy 
nutrition and wellness
does water in the human body helps transport waste products in and out of cells
asked by marnesha 
mathematics
The London eye in England is the biggest big wheel in the world. it rotates with people on it so that they can get a view of the city of London from high up. there are 32 cabins attached to the wheel that carry passengers and it takes one approximately 30
asked by bongi 
math
To advertise their business, Toni and Mandy can either purchase flyers or email addresses. They can print, distribute and pay the postage of 3 million flyers for $450. Find the unit price for the flyers.
asked by smith 
Statistics
I have provided information from #35 in order to answer #6.. 3. Give the mean for the mean column of the Worksheet. Is this estimate centered about the parameter of interest (the parameter of interest is the answer for the mean in question 2)? The Mean
asked by Hope 
math
A green purse costs $11, which is 11 times as much as a red tie costs. How much does the red tie cost?
asked by Alexandra 
math
n+9=64 i need help answering this PLEASE
asked by neil 
chemistry
if burning one mole of a carbohydrate generates 50 joules of heat, burning 0.2 mol(or one fifth of a mole) of that same carbohydrate will generate how many joules of heat ?
asked by Anonymous 
math
y*x=30 I need super help please
asked by neil 
precalculus
if side x=15 and side y=8 what is sin of the angle.
asked by Ma 
geometry
I have 4 pairs of parallel sides and each angle is 45 degrees, what am I
asked by bob 
chemistry
Calculate the final temperature of 289 of water initially at 35 upon absorption of 20 of heat.
asked by jasmin 
Algebra
Maria bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 33km, Maria can bicycle 37km. How fast does each bicyclist travel?
asked by Brenda 
math
3 Normally distributed Test scores for a police exam is a normal distribution TEST,150,20. 5) Find the probability that a randomly chosen candidate’s score is greater than 165. 6) Find the cutoff score for the top 10% of testtakers.
asked by marie 
chemistry
How do you find the molecular weight of hydrogen carbonate and the atomic weight of the unknown metal in the hydrogen carbonate?
asked by Anonymous 
physis
an engine was used to lift up a load of 200kg to a platform 40m high in 20sec. calculate the power out put by the engine (take g =100n /kg).
asked by afeez 
World History
What is the Minoan civilization known for?
asked by Angel 
H.W in Partial economy
Bundle** Oranges/Week ** Total Utility A 0 50 B 1 80 C 2 100 D 3 115 E 4 125 F 5 133 G 6 139 H 7 144 I 8 146 J 9 147 K 10 147 L 11 147 M 12 147 N 20 147 From the above table draw TU curve and MU curve find MU when using the fourth oranges, then derive the
asked by sara 
business law
What argument could the SLOC members make that the payments made do not fit the meaning of an illegal bribe? (FCPA)
asked by Pam 
MATHS
A woman borrows 100000 euro to improve her house. she borrows the money at 15% interest and repays it in full after three years. What interest will she pay? PLEASE HELP
asked by Anonymous 
HSM 270
I have started this but I am stuck I do not really understand it I need help Stakeholder Influences Programs must often cater to the needs or expectations of many stakeholders, which may include the program administrator and staff, the funding institution,
asked by Tracy 
Math Elementary
Carol reads four times as many pages than John. They read 40 pages together. How many more pages did Carol read than John. My answer is Carol read 16 pages more than John. Am I correct.
asked by Americal 
statistics
What SPECIFIC statistical test would be applied to these data collected to answer the following questions? What’s the average amount of pain Mr. Smith reported yesterday? Is there a significant difference in depression levels (using a scale of 060)
asked by Mack 
English
I urgently need to check these sentences. I did the corrections myself. I just want to know if my corrections are OK. 1) A smaller stage, called inner stage, was hidden by a curtain at the bottom of the main stage and was used, for example, for the
asked by Henry2 
physics
How fast must a 3000 lb car be traveling to hit a 4000 lb minivan on the side rear to spin it 180°
asked by Harry 
english
Sukie and Lee get up early.Tey are going to grandma today. They will ride in the car with mother and father to get to grandma's house. please can anybody define the major charaters in this paragraph? I think Sukie and lee
asked by dania 
English Lit
I have two questions about these Emily Dickinson's "Wild Night" 1.Which best describes the rhyme in the second stanzainternal rhyme,slant rhyme,feminine rhyme,descending rhyme or no rhyme Would it be slant rhyme? 2.Which is the following sound device
asked by Leah 
Physics
A bicycle is moving at a constant speed of 12m/s as it covers a distance of 200m. it then applies its brakes and stops over the next 350m. how much time doe sthis total motion take?
asked by Madison 
Written Analysis
I would really appreciate help with a paper i'm having mental block with! The should be a paper on a topic that is hotly debated in American society and the article should be written by an author with an opposing view to my own. The article should include
asked by keri 
english
Please tell me the anthropological perspective. Is the culture, the crossdisciplinary discipline etc? Thanks!
asked by jessica 
English
Was my correction OK? You can't say the Juliet's tomb scene (but scenes such as Juliet's tomb) I left out a sentence. 1)Women were not allowed to play so men had to play their roles. (Is this sentence OK?) Better: Female roles were replaced by boyactors.
asked by Henry2 
organic chem
How do injector temperature and detector temperature affect retention time of a compound in gas chromatography?
asked by vivian 
math
What is the function rule for input 2 output 6 input 4 output 7 input 6 output 8 input 8 output 9
asked by Marion 
business research
A researcher was given the assignment of predicting which of three actions would be taken by the 280 employees in the Desota plant that was going to be sold to its employees. The alternatives were to: a. Take severance pay and leave the company. b. Stay
asked by yas 
west ashley middle
find e,if a=8,d=22,b=4
asked by mike 
Math help
6y³(2x  5y² + 8) help solve
asked by Katie A 
calculus
Find the points at which the following function is discontinuous.Indicate the intervals at which the function is continuous. f(x)= (x^2 if x
asked by David 
trig
evaluate the expression below at t=4 p=$400 and r=9% round youre answer 2 decimal place
asked by joe 
physics
A 4.3 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.89 m long barrel of the rifle?
asked by savy 
physics
A freight train has a mass of 1.4 107 kg. If the locomotive can exert a constant pull of 8.1 105 N, how long does it take to increase the speed of the train from rest to 66 km/h?
asked by savy 
Math
The sum of two whole numbers is 9,and their positive difference is 5.what is the product of the numbers?
asked by Vic 
Physics
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 rev/min. (a) Find the drill's angular acceleration. rad/s2 (b) Determine the angle (in radians) through which the drill rotates during this
asked by Allie 
physics
A 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles. The two segments of the rope are then inclined at angles 30 degrees and 60 degrees respectively to the horizontal.The tensions in the segments of the rope in
asked by lawrence 
physics
A rope suspended from a ceiling supports an object of weight W at its opposite end. Another rope tied to the first at the middle is pulled horizontally with a force of 30N. The junction P of the ropes is in equilibrium. Calculate the weight W and the
asked by lawrence 
physics
A 150kg ladder leans against a smooth wall, making an angle of 30 degrees with the floor. The centre of gravity of the ladder is onethird the way up from the bottom. How large a horizontal force must the floor provide if the ladder is not to slip?
asked by lawrence 
physics 12
If the Earth has a mass of 5.98*10^24 kg and orbits the Sun at a radius of 1.43*10^11 meters. Find the mass of the Sun. Thank you.
asked by roy 
English
I included some corrections I did myself and a message I need you to check. 1)The apron stage was circular in shape and was projected in the open air. Correction: it's projected into the yard. 2)The witches predict to Macbeththat he will be Thane of Cowdor
asked by Henry2 
Algebra 2 (Diophantine Equations)
Solve 5x + 12y = 47 using Diophantine equations.
asked by Peter 
math
X = 6 cm and Z = 10 cm, what is the length of Y?
asked by alex 
chem
Use a temperature  composition diagram to explain why fractional distillation of two components is more easil? easily accomplished if the components have boiling points that differ by 20*C or more.
asked by laura 
physics
how do i calculate the pressure of a pipe with same area and constant velocity. I tried to use bernoulli's equation but it only applies if the area of the opening and end are not the same
asked by eng 
Physics
A hovercraft of mass 77.0 kg can move on a horizontal surface, the xy plane. A single unbalanced force acts on the hovercraft, but the size of the force is unknown. The hovercraft initially has a velocity of 6.0 m/s in the positive x direction and some
asked by Kellie 
math
If f(x)=x/(14 x + 11), then the domain of f includes all real numbers except
asked by debbie 
physics
A block of mass 0.22 kg can slide on a frictionless incline (Ø = 30º) and is connected via a string to a vertical spring (k = 3.6 N/m). The system starts at rest with the spring at its natural length. (a) What is the maximum distance along the incline
asked by Jill 
Math
Hafers, an electrical supply company, sold $3,800 of equipment to Jim Coates Wiring, Inc. Coates signed a promissory note May 12 with 4.00% interest. The due date was August 18. Short of funds, Hafers contacted Charter One Bank on July 12; the bank agreed
asked by Cher 
physics
A sign that has a mass of 10.0kg is suspended by two wires, as shown below. (wire 1 is at a 40 degreee angle with the sign, wire 2 is at no angle) Determine the force exerted by each wire in supporting the sign. \in cluse a freebody diagram as part of
asked by ANdrea 
Physics
Two packing crates of masses m1 = 10.0 kg and m2 = 6.60 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 6.60kg crate lies on a smooth incline of angle 37.0°.
asked by Imani 
Math: Functions
A circular oil slick is expanding with radius, r in yards, at time t in hours given by r=2t0.1t^2, for t in hours, 0
asked by Savana 
statistics
The sum of the draws from a box is 440. If the average of these draws is 2.20, how many draws were there?
asked by kelly 
Math
A certain soccer team wins (W) with P(W)= 60%, loses(L) with P(L) = 30%, and ties (T) with P(T) = 10%. The team plays three games over the weekend. a.Determine the elements of the event A that the team wins at least twice and does not lose. b.Find P(A)
asked by Anonymous 
Chemistry
Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 28.6 g sample of ethanol initially at a temperature of 10.8oC. The specific heat of ethanol is approximately
asked by John 
Statistics
Four people(North, South, East, West) are each dealt 13 cards from an ordinary deck of 52 cards. a. If South has exactly one ace, what is the probability that his partner North has the other three aces? b. If North and South together have 10 hearts, what
asked by Anonymous 
business research
A researcher was given the assignment of predicting which of three actions would be taken by the 280 employees in the Desota plant that was going to be sold to its employees. The alternatives were to: a. Take severance pay and leave the company. b. Stay
asked by yas 
Physics
A block of mass m = 5.9 kg is pulled up a è = 21° incline as in the figure with a force of magnitude F = 34 N. (a) Find the acceleration of the block if the incline is frictionless. 1 Your response differs from the correct answer by more than 10%. Double
asked by Imani 
Geography
Graticules on small scale map represents ________ and ______. Graticules on large scale map represents ________ and ______.
asked by Jessica 
chemistry
Antimony forms 2 chlorides having widely different properties. One of the chlorides is a solid that melts at 73*C and contains 46.5% chlorine by mass. The other is a liquid that boils at 140*C and contains 59.3% chlorine by mass. Show how these results
asked by sam 
chemistry
calculate the weight of copper in the Cu(NH3)4SO4 H20 you made. Mass of Cu(NH3)4SO4 H20 = 0.1140g
asked by sam 
algebra
72x+217=42 set notation and solution
asked by chen 
physics
A mass M can slide with negligible friction inside a tube bent in a circle of radius R = 1.45 m. The tube rotates about its diameter; the mass is in equilibrium at ¦È = 47.3¡ã. Calculate the number of revolutions the hoop makes in 115 s.
asked by edward 
college chemistry
For the equilibrium Br2 + Cl2 goes to 2BrCl at 400 K ,Kc = 7.0. 0.30 of Br2 and 0.30 of Cl2 are introduced into a 1.0 L container at 400 K.a) What will be the equilibrium concentration of Br2? b) What will be the equilibrium concentration of Cl2 ? c) What
asked by erika 
math
3x+y+2z=1 x+2yz=8 3xy3z=18 after I isolate x what is the 2nd equation
asked by donald 
mathematics
2/x+3=3/x2
asked by diana 
calculus
Find the limit as x approaches 4 of 4lxl/4+x
asked by Ryan 
mathematics
2/x+3=3/x5
asked by diana 
mathematics
x^2+8x+15/x^2+x+3
asked by diana 
mathematics
5/2x+7=4/2x7
asked by diana 
Calculus
A plane flying with a constant speed of 4 km/min passes over a ground radar station at an altitude of 5 km and climbs at an angle of 45 degrees. At what rate, in km/min is the distance from the plane to the radar station increasing 4 minutes later?
asked by Anonymous 
trig
I have to factor the expression and use fundamental identities: sins^2xcscx^2sin^2x sec^4xtan^4x
asked by Help pleaseee 
Physics
To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find
asked by Mary 
AP Chemistry
What volume of 0.149 M K3PO4 is required to react with 41 mL of 0.793 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 → Mg3(PO4)2 + 6 KCl Answer in units of m
asked by Yolanda 
ap history
please help with this DBQ to what extent it is justified to characterize the industrial leaders of the 18651900 era as either robber barons or industrial statesman? ive looked at the internet but not much about industrial statesman. what do you think?
asked by heather 
Science
What body system is most like the mitochondria in cells? It has to be one of these: Respiratory Muscular Immune Nervous Since I already used the other systems.
asked by Ann 
Finance
how do solve a math question that states an employee has an annual salary of 26,965. after he arranges to have deducted from his salary 12% for the purchase of bonds, 17% for federal withholding tax, and 3% for a retirement fund, how do you solve this
asked by Queen 
College Chemistry
What is the final temperature, in oC, after a 26.5 g piece of ice, at 0oC, is placed in a styrofoam cup with 122 g of water initially at 73.8oC the specific heat of water = 4.184 JK1g1 The heat of fusion of ice = 333 Jg1
asked by John 
Chemistry
How do you calculate the concerntartion of vinegar?
asked by Kefiloe 
EnglishWriting
Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large classrooms, two hour seminars, and worse part, the fear of failure is what keeps them from going. Hence either take shorter hours,
asked by HM 
Statistics
People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 90% confidence? Initial survey results indicate that standard deviation= 15.5 books.
asked by Stacey 
algebra  Please help
Use the equation y = ax^2 + bx + c where x is the horizontal distance a baseball has traveled and y is the height of the ball at the given distance. 1)Are some values of y unreasonable? 2)How is this information important for choosing a window for the
asked by Nilan 
chemistry
In a reaction, 37.5 g of chromium(III) oxide reacts with 13.3 g of aluminum to produce chromium and aluminum oxide. If 25.7 g of chromium is produced, what mass of aluminum oxide is produced?
asked by Anonymous 
english
which are stressed syllables in not lured by any cheat of birth
asked by adriana 
solid mechanics 1
a load p is supported by a steel pin that has been inserted in a short wooden member hanging from the ceiling. the ultimate strength of the wood used is 60 MPa in tension and 7.5 MPa in shear, while the ultimate strength of the steel is 145 MPa in shear.
asked by julia 
physics
An 8.4 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 1020 m/s. Use the workenergy theorem to find the average force exerted on the bullet while it is being accelerated.
asked by Bob 
chemistry
The distribution coefficient of a compound between ether and water is 5.8. A student takes 1.5.g of the compound and dissolves it in 45 mL of water. The resulting solution is placed in a separatory funnel and an extraction is performed using 15 mL of
asked by Anonymous