# Posts by fatima

Total # Posts: 173

**Physics**

A pendulum with a bob of mass 150 g has the same period as a thin rod (not massless) of the same mass and length 17 cm when the rod is pivoted about its end. What is the length of the pendulum?

**Physics**

Suppose a boy walks a displace of 3km east wards yo à point and then walks another 6km west wards what is his displacement from his starting point

**Socail Studies**

Land Lottery System

**government**

Wtat is legitimate government? Outline any four features of legitimacy? What is simple majority sysyem? Outline four demeits of the system

**physic**

A particle of mass 10kg Move in a circular orbit of ratio 2cm with a linear velocity of 0.2m/s calculate the angular velocity, the frequency and the centripetal force

**Math**

A recipe for 2 dozen cookies calls for 1 1/3 cups of flour how much flour would be needed to make 5 dozen cookies

**Algebra**

5x+3y=9x-7y I am having trouble in solving. My answer is ending in fractions. And do far I have gotten y=-1/7

**Math**

determine the value(s) of k which the equation x^2+kx+9=0 will have a) two real roots b) 2 distinct roots I tried to find the discriminant but I didn't get the right answer.

**math**

130 bouncy balls

**Maths**

A garden has a small rectangular lawn surrounded by a flower-bed of equal width. The lawn measures 5 metres by 12 metres and the flower-bed has a width of x metres. Write an expression for the area of the garden and flower-bed

**English**

Yeah I think it's B

**math**

19000

**chemistry**

what is the mass of bromine contains the same number of atoms of 50.0 g of iodine? my work: 50g/79.5g= .628 mol(Br) 50g/126g=.394 mol(I)

**math**

1,5 and 6

**Physics**

Steady speed means zero acceleration. Since power=force*velocity and force is zero due to steady speed then power will also be zero. In other words; power=force*velocity Power=mass*acceleration *velocity Since acceleration is zero. Power=mass*0*velocity Power=0hp OR 0watts

**Chemistry**

How many kJ is released when 3.4 mol of water is frozen?

**Math**

8*504÷72=56

**English**

In which revised sentence did Alexander change the underlined word to use it as an noun?

**PHY 113**

a b b b c d a a d c a d d d

**maths**

Square root 3

**economic**

which policy will be favorable for the consumers (buyer of the cars only) of Pakistan.

**4th grade math**

204.2

**Chemistry**

DS System= -627J/K DS Surr=11246J/K DS Uni= 10619 J/K Just got this right on sapling!

**chemistry**

24.55778376

**Management**

which reason total earning of emoloyees decrease. while who worked more efficiently

**management**

which reason total earning of employees decrease.while who worked more efficiently

**management**

why total earning of employee's job decrease while who worked more efficiently.

**chemistry**

A certain reaction is spontaneous at 72˚C. if the enthalpy change for the reaction is 19Kj/mol, what is the minimum value of ΔS (in J/K•mol) for the reaction?

**chemistry**

In a certain experiment a student finds that the PHs of 0.10 M solutions of three potassium salts KX, KY, and KZ are 7.0, 9.0, and 11.0, respectively. Arrange the acids HX, HY, and HZ in order of increasing acid strength.

**chemistry**

In a group 1 analysis, a student adds hydrochloric acid to the unknown solution to make [Cl-] = 0.15 M. Some PbCl2 precipitates. Calculate the concentration of Pb2+ remaining in solutions.

**math**

Find the maximum and minimum values of the given objective function on the indicated feasible region. M = 150 − x − y

**university of minnesota**

Find the maximum and minimum values of the given objective function on the indicated feasible region. M = 150 − x − y

**Math**

Joan ran for 2.25 hours burning 3075.5 calories per hour how many total calories does he burn

**spelling spree**

Cup

**Social studies**

in which province will you find wastern highlands

**math**

natasha had 7/8 gallon of paint. her brother ivan took 1/4 gallon to paint his model boat. natasha needs at least 1/2 gallon to paint her bookshelf. did ivan leave her enough paint?

**Math (Word Problem)**

An open gift box is to be made from a square piece of material by cutting four-centimeter squares from the corners and turning up the sides. The volume of the finished box is to be 576 cubic centimeters. How to find the size of the original piece of material?

**Science**

????

**Maths**

75

**english**

write a analogy paragraph "the process of reading a good book"

**physics**

If the change in the value of 'g ' at a height 'h ' above the surface of earth is the same as at a depth 'x ' below it. When both x and h are much smaller than the radius of the earth. The relation between x and h is?

**physics**

If two stones projected from the same point with the same speed but at angles pi/3 and pi/6 respectively have their ranges R₁ and R₂ then a)R1=2R2 B)R1=R2 C)R1=5R2 D)R1=25R2

**physics**

"a drag racing car starts from rest at t= 0 and moves along astraight line with velocity given by V = bt^2 where b isconstant. The expression for the distance traveled by this car from its position at t = 0 is a)bt^3 b)bt^3/3

**physics**

A particle moves along the x-axis from an initial position xi to a final position xf. Of the following values of xi and xf, which results in a negative displacement? (a) xi = 6 m, xf = 4 m (b) xi = ?4 m, xf = ?2 m (c) xi = ?4 m, xf = 2 m (d) xi = 4 m, xf = 6 m (e) xi = ?4 m, ...

**accounts**

People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least five solid reasons.

**english**

formal informal

**english**

which language is used to make comparisons in business communication

**malay**

Who is your best friend at school? Do you like mathematics?Why? Food what is the most you would prefer? Do you like reading a novel?

**accounts**

People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least five solid reasons.

**Finance**

ABC Company is engaged in the manufacturing of electronic equipment. The Company has reported net loss for the year 2013 but its Cash Flow Statement is showing a positive net cash flow. Being a student of Business Finance, you are required to discuss briefly the reasons behind...

**microeconomics**

Market demand is given as QD = 200 – 3P. Market supply is given as QS = 2P + 100. Each identical firm has MC = 0.5Q and ATC = 0.25Q. What quantity of output will a typical firm produce? a.10 b.20 c.30 d.40

**math**

-0.06

**math**

How business mathematics can help you in making decision about investment in a business.

**Nuclear Radiation Technology**

T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Someone please help me with this question.

**math**

Its 18 because if you find the factors Closely 18 has 5 factors

**English**

Write a letter to the editor or a speech calling for a change that you would like to see in your community and reference the three works as evidence that non-violence and civil obedience are an effective method for affecting change Using these sources - Civil Obedience On ...

**english**

use these five words given below and write a essay 120 to 140 words 1.family 2 television 3 entertainment 4 mother 5 day time

**english**

Read the paragraph below and complete the cause-and-effect chart. Erosion is a natural process. During the erosion process, soil and rocks are worn away by the elements. Most erosion results from a combination of several factors, including heat, cold, gases, water, wind, ...

**math**

Suppose you are managing an account in which you deposit Rs. 20,000 at the end of each year for 20 years. How much amount you have accumulated with the assumption that you earn 5% interest compounded annually.

**math**

Ali needs to borrow Rs 500,000 for three years. Which of the following option is more beneficial for him? (i) 3.2 % simple interest rate (ii) 1.6% compound interest rate when it is compounded semi annually

**science physics**

arthur is riding a horse at a velocity of 4m/s. four seconds after, he is already traveling at a velocity of 12m/s. what is his acceleration

**physics**

-22

**chemistry**

In an experiment, 6.700g of hydrogen sulfide is fully decomposed into its elements.If 0.396g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?

**chemistry**

ANSWER n(O2) = 0.225 mol

**chemistry**

How many moles of O2 are produced when 0.300mol of KO2 reacts in this fashion?

**chemistry**

Thanks DrBob222 ANSWER 3.1×10−2,3.1×10−2

**chemistry**

3.1×10−2 Molarity MgSO4. Express your answer numerically using two significant figures.

**chemistry**

ANSWER ν = 0.160 mol

**chemistry**

How many moles of HNO3 are present in 34.0 mL of a 4.70 M solution of nitric acid?

**chemistry**

What is the mass, in grams, of 7.40×1020 molecules of caffeine, C8H10N4O2

**math**

395

**Chemistry**

what mass in grams of sodium hydroxide is produced if 20.0g of sodium metal reacts with excess water according ro the chemical equation, Na(s)+H2O4->naoh(aq)+h2(g)

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

**physics**

thanks alot

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

**physics**

a particle is travelling in a straight line with constant acceleration.it covers 6m in the fourth second and 7m in the fifth second.find its acceleration and initial speed.

**science**

a particle ia projected upward with a velocity of u m/s and after an interval of t(s) anoda particle is projected upward from the same point and wit the same initial velocity.proof dat they will meet at a height of (4u^2/8g-g^2t^2/8g)

**science**

thank u very much steve...am grateful

**science**

a particle is projected vertically upward with the velocity u m/s and after t(s) another particle is projected upwards from the same point and with the same initial velocity. proof that the particle will meet after a lapes of (u/g + t/2)seconds from the instance of the first ...

**science**

a particle moving in a straight line with constant acceleration passing over distances x,y,z in equal consecutive interval of time(t).find the relation between x,y and z..and the acceleration of the body.

**chemistry**

A scientist is performing an experiment on a powder. Which of the following is a sign that a chemical change has definitely occurred during his experiment? The powder catches on fire. The powder releases bubbles. The powder heats up. The powder breaks apart into smaller ...

**chemistry**

Energy must be removed because particles in liquid move more slowly. Energy must be added because particles in liquid move more quickly. Energy is neither added nor removed in this phase transition. Energy is either removed or added, depending on the type of particles

**chemistry**

Which best describes the transition from gas to liquid?

**math6**

shaunti drove 621miles in 11.5 hours.wht was her average speed in miles per hour?

**4th grade math**

36/2=18

**math**

y= 2sin(2x-pi/4) find amplitude, period, phase shift, assymptote and graph

**Math**

Explain why you would make one of the addendds a tens number when solving an addiction problem

**Linear algebra**

Show that the origin is the only equilibrium point of the system? X=ax+by Y=cx+dy Wherea,b,c and d are constants, with ad-bc not aqual to 0(zero) Please show me how to do this problem Please show me the work

**Precalculus**

give an example of two decreasing functions whose product is increasing

**Math**

1. What is a ratio? a. What is the difference between a ratio and a fraction? b. What are the similarities between ratios and fractions? c. Remember that order is important! d. How do you simplify ratios?

**precalculus check immediately**

suppoe f is a function with domain [1,3]and range[2,5]? define functions g and h by g(x)=3f(x)and h(x)=f(4x) what is domain and range of g what is domain and range of h I solved it and got it like this domainof g=[1,3]and range of g=[3,9] Domain of h=[4,12] and range of h=[2,5...

**precalculus**

suppose the only information you know about a function f is that the domain of f? is the set of real numbers and that f f(1)=1,f(2)=4,f(3)=9,f(4)=16what can you say about the value of ,f(5). Hint the answer to this problem is not 25 the shortest correct answer is just one word

**precalculus**

Suppose f is an even function and g is an odd function such that the composition fog is defined.d show that fog is an even function

**precalculus**

Suppose g is an even function and f is any function such that the composition fog is defined. show that fog is an even function

**Precalculus plese check urgent**

Give an example of a function whose domain is{3,4,7,9} and? whose range is {-1,0,3} plese give me the trick of finding such functions Is this answer coreect the function must only consist of individual points: {(3, -1), (4, 0), (7, 3), (9, 0)} is an example.

**Pre calculus**

Precalculus-------Give an example of three functions f,g,h none of which is a constant function such that? Precalculus-------Give an example of three functions f,g,h none of which is a constant function such that? foh=goh but f is not equal to g I tried with many functions but...

**precalculus**

Precalculus-------Give an example of three functions f,g,h none of which is a constant function such that? fog=foh but g is not equal to h. I tried with many functions but not getting like f=x g=1+x then h=?or any other example so that we get fog=foh

**Pre calculus**

give an example of two decreasing functions whose product is increasing

**Precalculus**

Give an example of an increasing function whose domain is the interval [0,1]but whose range does not equal the interval[f(0),f(1)] please show me the work