Questions Asked on
November 23, 2012

Math
The population of a southern city follows the exponential law. If the population doubled in size over 13 months and the current population is 30,000 what will the population be in 5 years from now?
asked by lily 
chemistry
The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water. a. LiBr b. NaNO3 c. FeCl3 d. Mg(NO3)2
asked by Boo Boo 
math help please
Which cannot describe a system of linear equations? no solution exactly two solutions infinite solutions exactly one solution I thought it was A or D but someone else is telling me it is B...no I'm confused...I thought it was 2 or more solutions
asked by Deborah 
Chemistry
A 0.02882 g sample of gas occupies 10.0mL at 288.5 K and 1.10 atm. Upon further analysis, the compound is found to be 38.734% C and 61.266% F. What is the molecular formula of the compound? What is the geometry shape around each carbon atom? Polar or
asked by Anon 
PreCalculus
A ball is thrown vertically upward with an initial velocity of 64 feet per second. The distance(in feet) of the ball from the ground after t seconds is s=64t16t. At what time will the ball strike the ground? For what time t is the ball more than 28 feet
asked by Cicley 
physics
Linearly polarized light is incident on a piece of polarizing material. What is the ratio of the transmitted light intensity to the incident light intensity when the angle between the transmission axis and the incident electric field is (a) 30° and (b)
asked by Alex 
Physics
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.8 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 107 m3) were made from this
asked by StressedStudent 
science
Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide and water.
asked by Shane 
microeconomics
. Suppose that two players are playing the following game. Player 1 can choose either Top or Bottom, and Player 2 can choose either Left or Right. The payoffs are given in the following table: Player 2 Player 1 Left Right Top 9 4 2 5 Bottom 1 0 3 1 Where
asked by janete 
Math
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage point.) (a) 4%/year, compounded quarterly ? % (b) 3%/year, compounded monthly ? %
asked by Amanda 
Maths
An aeroplane leaves a point on latitude 54degree south at 10 a.m. It flies due south at a steady speed of 800km/h. (a) what is its latitude at midpoint? (b) at what time does it pass over the south pole?
asked by Tosin 
Chemistry
a stock solution of perchloric acid is 75.5% perchloric acid and has a density of 1.67g/ml. What is the molarity of the solution?
asked by Michelle 
statistics
In a sample of 200 people, 154 said they watched educational television. Find the 90% confidence interval of the true proportion of people who watch educational television. If the television company wanted to publicize the proportion of viewers, do you
asked by Tessa 
Math/statistics
a recent study indicated that 29% of the 100 women over age 55 in the study were widows. a. How large a sample must you take to be 90% confident that the estimate is within 0.05 of the true proportion of women over age 55 who are widows? b. If no estimate
asked by Tessa 
Maths2
A plane leaves an airport X,20.6degree east and 36.8 degree north,and flies due south along the same longitude for 8hrs at the rate of 1000km/h to another airport Y,20.6 degree east and tita degree south.the plane then flies west to another airport Z for
asked by Tosin 
stats word problem Please help!
A. random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population standard deviation of $630. Find the 90% confidence interval of the true mean. and B. If a daycare center were starting up and
asked by Tessa 
Geometry
In a Aframe house, the two congruent sides extend from the ground to form a 34 degree angle at the peak. What angle does each side form with the ground ?
asked by Anonymous 
chemistry
How much NaOH (g) would you need to dissolve in water in order to prepare 2.75 L of a NaOH solution in which [OH]= 0.50 M?
asked by Brunette 
Physics
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose crosssectional area A^2 = 0.0700 m2. The gas has a density of ρ = 1.80 kg/m3. The
asked by Sam 
Chemistry..
For the lewis structure of BCl3, does it have a total of 24 valence electrons? Also does it have a total of 4 bonds? If possible can you draw the lewis structure?
asked by Anonymous 
Physics
A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal energy of the gas.
asked by A 
science
what is the heat capacity of iron when a 15.75g piece of iron absorbs 1086.75 joules of heat energy, and it's temperature changes from 25 degrees celcius to 175 degrees celcius
asked by ryan 
statistics
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9) A) What is the value of the sample mean resonance frequency? B) Both
asked by joe 
statistics
Random samples of size n are selected from a normal population whose standard deviation is know to be 2. Suppose you want 90% of the area under the sampling distribution of x bar to lie within + or  1 unit of a population mean u. Find the minimum sample
asked by joe 
Economics
5. If the average adult produces $90,000 of output per year, how much output is lost as a result of adult deaths from secondhand smoke, according to the News on page 74? $
asked by Valerie 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. x + 5y = –20 y = –7/8x – 1 32x – 28y = –36 parallel perpendicular neither I think it's perpendicular  asked this question earlier but didn't get a
asked by Deborah 
Science
gyazo . com / 2350c4f09d1c4c274e519f9afb639fd4 (USE THE LINK TO ANSWER THESE QUESTIONS. REMOVE THE SPACES TO ENTER INTO THE LINK.) A:What is the genotype of the offspring? B:What is the phenotype of the offspring? C:If two individuals with the same
asked by tristian 
statistics
A repeatedmeasures study uses a sample of n = 20 participants to evaluate the mean differences among three treatment conditions. In the analysis of variance for this study, what is the value for dfbetween treatments?
asked by Robbie 
statistics
For an experiment involving 2 levels of factor A and 4 levels of factor B with a sample of n = 5 in each treatment condition, what is the value for dfwithin?
asked by Robbie 
chemistry
a compound is found to be 94.1% o and 5.90% h. its molecular mass is 34.0. what is its molecular formula A. H3O2 B. OH C. H2O D. H2O2 I think D
asked by drew 
stat and research
3. A researcher is interested in whether listening to music helps or hinders testperformance. To control for differences in cognitive level, this researcher decides to use a withinparticipants design. He selects a random sample of participants and has
asked by anna 
chemistry
Predict how changes effects equilibrium for N2(g) + 3H2(g) > 2NH3(g) + heat a. add heat b. remove heat c. add NH3(g) d. remove NH3(g)
asked by Boo Boo 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –1/4x + 10 –2x + 8y = 6 parallel perpendicular neither I think its neither ? please help me understand...
asked by Deborah 
marymount academy
1.An object 2.5cm high is placed 10cm from a converging lens. if the local length of the lens is 5cm, a. How far from the lens will the image be formed? b. How high is the image formed? c. What is the total magnificatio of the object? 2. A terrestrial
asked by gabriel sam responso 
Physics
A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle θ=30.0° (see figure). The block is NOT attached to the spring. The spring, with spring constant k = 19.6 N/cm, is compressed 20.0 cm from its unloaded
asked by Andreea 
statistics
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9) A) What is the value of the sample mean resonance frequency? B) Both
asked by joe 
Math
Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative. Remember to use ln u where appropriate.) (x^5+x^3+8x)/x^4
asked by Alphonse 
Math  please help
Write an equation for the line that is parallel to the given line and passes through the given point. y = 5x + 10; (2, 14) A.y=1/5x +4 B.y=1/5x4 C.y=5x68 D.y=5x+4 I think it might be D...not sure
asked by Deborah 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. x + 5y = –20 y = –7/8x – 1 and 32x – 28y = –36 parallel perpendicular neither I think its neither?
asked by Deborah 
physics
A circular coil (980 turns, radius = 0.078 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.027 s, the normal makes an angle of 45o with the field because the coil has made
asked by johnathan 
Math/statistics
Thirty five percent of adult americans are regular voters. A random sample of 250 adults in a medium size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and
asked by Tessa 
Science
A solution of silver nitrate is mixed with a solution of potassium sulphide.Write the molecular,total ionic,and net ionic equations illustrating the reaction.
asked by Shane 
chemistry
what is the value of [OH] in a 0.730 M solution of Sr(OH)2?
asked by Victoria D 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –1/4x + 10 –2x + 8y = 6 parallel perpendicular neither I think its neither ? please help me understand...
asked by Deborah 
science
you push a friend on a sled your friend and the sled together have a mass of 70 kg if the net force is 33N what is the seld's acceleration?
asked by Desha 
chemistry
A 0.682g sample of impure NAHco3 yielded a solid residue consisting of NAc03 and other solid with a mass of 0.467g. What was the mass percent of NAc03 in the sample. The right 85.4% Who help
asked by Fai 
maths
A mass of 350 kg is lifted by 2 cables connecting at the same point as shown. Determine the tensions in each cable when the system is in equilibrium.Left hand cable is t1 at 40 degree angle and Right hand cable is t2 at 30 degree angle
asked by luke 
math
a cyclist travels the 30 km from Town A to Town B at an average speed of 25 km/h and immediately continues the journey to town C, which is a further 60 km away at an average speed of 20 km/h. What is the average speed for the whole journey?
asked by Lindsay 
Physics
A 19.5 gram, 56.3 centimeter long steel guitar string is vibrating in its fourth harmonic. It induces a standing wave in a nearby 48.6 centimeter metal pipe open at one end. The standing sound wave in the pipe corresponds to the pipe's fundamental
asked by Alphonse 
physics
An object is located 16.8 cm in front of a convex mirror, the image being 11.5 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location. The image of this second object has the
asked by Alex 
maths
The area of 3 adjacent faces of cuboid are x,y and z . If the volume is V , Prove that V^2 = xyz ???
asked by tuhituhi 
englishthesis
Heritage plays role x with regard to marriage in Howell’s novel, while in Larsen it plays role y, allowing the man to accept African American women in the former, but reject her in the latter. this was how my teacher edited it but he said something like
asked by Blaze 
Physics
A sealed can is filled completely with methyl alcohol. Which of these materials could the can be made of so that it would not rupture when the whole system was cooled by 20 degrees Celsius? A.)Aluminum B.)Fused quartz C.)Copper D.)Any of these E.)None of
asked by StressedStudent 
Physics
Electromagnetic waves can form standing waves. In a standing wave pattern formed from microwaves, the distance between a node and an adjacent antinode is 0.63 cm. What is the microwave frequency? any help is much appreciated
asked by Alex 
Math
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage point.) (a) 4%/year, compounded quarterly ? % (b) 3%/year, compounded monthly ? %
asked by Amanda 
math
Find the present value of $31,000 due in 4 yr at the given rate of interest. (a) 6%/year, compounded quarterly $ ? (b) 3%/year, compounded quarterly $ ?
asked by Amanda 
college algebraneed help please!!
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: 6, 6i please help and show all work.
asked by ladybug 
college algebraneed help please!!
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: 6, 6i please help and show all work.
asked by ladybug 
Chemistry
If the initial volume is 500. ml at a temperature of 30 C, at a constant pressure, what would the new volume be if the temperature was changed to 50 C?
asked by Kim 
social studies
Which of the following nineteenthcentury inventors is associated with Menlo Park in New Jersey a.Gustavus F. Swift b.Cyrus W. Field c.Alexander Graham Bell d.Thomas Alva Edison
asked by sabrina 
dps
If a and b are two unit vectors and θ is the angle between them, then a+b is a unit vector if θ is
asked by manpreet 
Math 8R  Help!!!!!!!!
The expression 2(8a to the 2nd power + a  1) + 3(a + 3) is equivalent to a) 16a to the 2nd power + 5a + 7 b) 40a to the 2nd power + 10a + 10 c) 10a to the 2nd power + 5a + 7 d) 48a to the 2nd power + 12a + 12 please help!!!!!!!
asked by Laruen 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b)
asked by Anonymous 
statistics
Which of the following is used to calculate the degrees of freedom for the A x B interaction? a. dfbet. treatments – dfA – dfB b. dfA – dfB c. dfwithin – (dfA + dfB) d. dfbet. treatments – dfwithin
asked by Robbie 
chemistry
what is the percent by mass of carbon in c3h8? A. 18.20% B. 20.0% C. 81.8% D. 85.0% I say A
asked by drew 
Physics
Consider a cube of an unknown material. When heated by 10 K, each side expands by 1%. Using *only this information*, what is the ratio between the coefficent of volume expansion and the coefficient of linear expansion (i.e., beta/alpha)? Express your
asked by StressedStudent 
Chemistry
1.a solution that is 6.5×10−2M in potassium propionate C_2 H_5 COOK or KC_3 H_5 O_2 and 8.5×10−2M in propionic acid C_2 H_5 COOH or HC_3 H_5 O_2 what is the ph? 2.a solution that is 8.0×10−2M in trimethylamine, CH_3 _3 N, and 0.10M in
asked by Josh G.Happy Thanksgiving 
math
a) 3(x+1)+x+2=2(2x+1)+3 I distributed the equation and got 5=5 as my final answer. b) DON'T UNDERSTAND is the resulting equation from part (a) always true,sometimes ture, or never true? Explain your reasoning.
asked by math help 
Physics
An object is placed 8 cm in front of a convex lens of focal length 6 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.
asked by Brittany 
college algebraneed help please!!
information is given about a polynomial f(x)whose coefficients are real numbers. Find the remaining zeros of f. degree:5, zeros: 6, 6i please help and show all work.
asked by ladybug 
chemistry
A 0.682g sample of impure Na2hco3 yield a solid residue consisting of nahco3 and other solid a mass of 0.467g. What was the mass percent of nac03in sample. I do not understand I want you step by step. Clear explain for me. nahco3 = 84 n22hco3 = 106
asked by Fai 
holy heart
Using digits 2, 3, 5, 6, 7 and 9, how many 3digit numbers can be formed that are divisible by 5 such that the repetition of digits is not allowed?
asked by kawal 
chemistry
how many moles are in 243.6 g caco3? A.7.41 mol caco3 B 2.43 mol caco3 C.102.46 mol caco3 D.88.1 mol cao3 I say A
asked by drew 
Math
One side of a rectangle is longer than the other side by 1cm. If the area is 30cm, find its perimeter.
asked by Vanessa 
chemistry
amphetamine (c9h13n) is a powerful stimulant. what is the percent composition of all of the elements in this compound? A. 9%C;13%H;1%N B. 30%C;10%H;60%N C. 60%C;35$H;5%N D. 80%C;9.6%H;10.4%N I think b
asked by drew 
math
the reciprocal of the expression 2/x + 3/1
asked by j 
math
each turkey has 2.3 x10 to the 6th power feathers/ How may feathers is that in standard form?
asked by Anonymous 
Chemistry
3C3H8 + 20H2CrO4>9CO2 + 10 Cr2O3 + 32H2O What mass of chromium (III) oxide will be formed by complete reaction of 1.50g of propane with 35.0ml of 6.26M chromic acid?
asked by Michelle 
chemistry
What is the concentration of ammonia in a solution if 24.20 mL of a 0.1140 M solution of HCl are needed to titrate a 100.0 mL sample of the solution?
asked by Victoria 
Biology
What other factors can contribute to the rising in temperatures besides global warming?
asked by Victoria 
Calculus!
A 16 ft. ladder leans against a wall, with the top being 12 ft. from the wall when time t=0. The top is sliding down at a constant rate of 4 ft./second. Given that the top of the ladder touches the ground at 3 seconds, what is the velocity of the bottom of
asked by Tanya 
college algebra, Please help!!
use the remainder theorem to find the remainder when f(x) is divided by x2. then use the factor theorem to divide x2 is a factor of f(x). f(x)=4x^47x^35x+2 the remainder is ? is x2 a remainder of f(x)=4x^47x^35x+2 please show work
asked by ladybub 
chemistry
Calculate the amount of solute needed to make each of the solution. 225g of a 10% (m/m) K2CO3 solution .50kg of a 18% (m/m) KOH solution please show work thanks
asked by Boo Boo 
dpis
The rate of change of radius of a spherical air bubble is 0.002 cm/s. What is the rate of change of its surface area when its radius is 2 cm?
asked by mandeep 
algebra
5t10t^2÷5t
asked by pat 
algebra
5t10t^2÷5t
asked by pat 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b)
asked by Anonymous 
Math 8R  Help!!!!!!!!
If onethird of a number is 6 less than haft of the number, what is the number? a) 30 b) 12 c) 18 d) 36
asked by Laruen 
Chemestry
Find the molarity of a solution containing 0.75 mol of NaCl with a volume of 1.5 L.
asked by Becky 
Math  help please
Write the equation of a line that is perpendicular to the given line and that passes through the given point. y – 3 = (x + 2); (–2, 3) A. Y+3= 3/8(X2) B.Y3=3/8(X+2) C.Y2=3/8(X+3) D. Y+3=3/8(X2) I am not sure how to do this problem...please
asked by Deborah 
math
How high is a wall that casts a 15ft shadow at the same time that a 4ft flag pole casts a 4ft shadow?
asked by michelle 
math
what is the difference btwn 5^3 and (5)^3? When ever they have a question in which they have a a number squared and then they have another question right after it asking the difference between the same question in parenthesis..is it a trick question? is
asked by Samantha 
Physics
In an interference of light experiment, coherent light that contains two wavelengths: 640 nm (redorange) and 425 nm (indigoblue), passes through two narrow slits separated by 5.35 Î¼m, and the interference pattern is observed on an observation screen
asked by Alphonse 
Adult Fevelopment and life Assessment
Why is it importasnt for a university to maintan hgh standards when it comes to academic integrity.
asked by Regina 
Chemistry
what is the name of the ions that are formed when the following compounds dissolve in water. (a) BaBr2 (b) (NH4)2CrO4 (c)HBr
asked by Shane 
Algebra 2 ..
what is the difference between 16^1/4 and (16)^1/4
asked by Anonymous 
math
if 3 bananas cost £1.14 how much will 5 of them cost? and how do ypu work it out?
asked by hannah 
math
if 3 bananas cost £1.14 how much will 5 of them cost? and how do ypu work it out?
asked by hannah 
AP World History
Describe the complexities of trade in PostClassical world and compare to today.
asked by Diana 
social studies
If you were a reformminded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the
asked by sabrina 
college algebraneed help please!!
use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=x^5x^4+9x^35x^216x+5;[1.3,1.6] f(x)1.3= ? simplify answer f(x)1.6= ? "
asked by ladybug 
health
if rheumatoid factor 1gM under ELISA process shows around 320.6 RU/mL and thyroid stimulating hormone TSH at 13.37 and ESR at 60mm/hour ra factor : non reactive 1:2 anti nuclear anti bodies ANA 0.39 (n) pl tell me what would happen to the patient and what
asked by R S Telagathoty 
calculus II
Suppose R is the region in the plane enclosed by y = x2 and y = 4. a) Compute the perimeter P and area A of R, and then compute the ratio Q = A/P2. Note By squaring the perimeter the ratio becomes independent of the units chosen to measure the region. b)
asked by Anonymous 
college algebraneed help please!!
solve the equation in the real number system. 2x^423x^3+75x^288x+28=0 What are the real solutions of the equations? please show work. I do not know how to work this at all
asked by confused 
college algebra
solve the inequality algebraically 11x3 is greater than or equal to  4x^2
asked by ladybub 
STAT
One of the conditions that allows us to use ANOVA safely is that of equal (population) standard deviations. Can we assume that this condition is met in this case? here are options (a) No, since the three sample standard deviations are not all equal. (b)
asked by Anonymous 
Physics
An engine does 15kJ of work while rejecting 37 kJ to the cold reservoir. What is the efficiency of the engine?
asked by B 
Physics
In order for a satellite in free fall to maintain uniform circular motion, ______________. a) there must be a tangential acceleration b) there must be angular acceleration c)there must be a centripetal force d) there must be a circumventing force Its
asked by Kelvin 
math  Ms. Sue
What is the slope of the line that passes through the pair of points? (5/3, 1)and (2, 9/2) A.2/33 B.2/33 C.33/2 D.33/2 I think it is D?
asked by Deborah 
english
I need to write a short story with the ending relating to "That is how I became Captain"
asked by carol 
math help please
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –x + 10 and –2x + 8y = 6 parallel perpendicular neither I think its neither again
asked by Deborah 
social studies
A ruler should lead by_____? 8 letter word
asked by Tammy 
hum 101
What are some examples of a situation that the strateigies used in "The Art of The War by Sun Tzu be applied to?
asked by kelly 
Maths
Factorise X^2  y^2  2x + 2y
asked by Kuo 
math
the reciprocal of the expression 2/x + 3/1
asked by j 
statistics
Random samples of size n=10 are taken from a normal population whose statndard deviation is known to be 5. Calculate the area under the sampling distribution curve for x bar between the points u1 and u+1. That is find the probability that the sample mean
asked by joe 
math
PLEASE HELP ME!!!!!! what is the solution set of the equation x^2+9=0
asked by hello123456789 
health
what is the cause and effect of mouth ulcers and sores in elderly clients
asked by jessica 
health
what is the cause and effect of tooth decayin elderly client
asked by jessica 
Agriculture
Why is there difference in the quality of the poultry products?
asked by Shane 
physics
a 10 kg weight is on an inclined plane. 10 ft long and 6 ft high. if there is no friction, what force parallel to the plane will prevent the body from slidin?
asked by hurd 
chemistry
Which material would you expect to have a greater bandgap energy between indium nitride (InN) and indium phosphide (InP)?
asked by techman 
algebra
Which equation is the equation of a line that passes through (10,3) and is perpendicular to y=5x7?
asked by Kristine 
sant singh sukha singh school
The mapping is f:N →N, given by F(n)= 2n^3=1,n belongs to N. A. oneone and onto B. onto not oneone C. oneone not onto D. neither oneone nor onto
asked by sharan 
math
if 3 bananas cost £1.14 how much will 5 of them cost? and how do ypu work it out?
asked by hannah 
English and Grammar
first draft of my report and i need help in improving this. i didn't made up all the information here all comes from a book. Dissociative identity disorder is defined in the DSMIVTR as the presence of two or more personality identities that repeatedly
asked by john 
English and Grammar
I choose to do research on Avoidant personality disorder or APD because a friend of is suffering from APD and I’m having trouble how to approach him. My friend’s name is Jim. He told me that he started to feel the symptoms when he was in his teen age
asked by john 
Geo
How many ecozones are there in canada??????/
asked by GLErylie 
algebra
i need help with 0.39 is greater or less to 0.31
asked by damin 
Business / Marketing
What corporation/company recently had a market failure in 2012.. at least from September to now? I need one for my assignment, but can't think of find any.
asked by Kayla 
Physics
What is the acceleration of a 2kg cart placed on a frictionless ramp inclined at 20 degrees?
asked by MoodaFooka