Questions Asked on
February 28, 2015

Calculus (Partial Derivatives)
Using x hours of skilled labor and y hours of unskilled labor, a manufacturer can produce Q(x,y)=40xy1/5 units each week. Currently 20 hours of skilled labor and 243 hours of unskilled labor are being used. Suppose the manufacturer reduces the skilled
asked by Bill 
Chemistry
For the reaction 4A (g)+3B (g)=C(g) the following data were obtained at constant temperature: Experiment 1. Initial (A) (mole/L) 0.0500, 01000, 01000 , 0.0500 2. Initial (B) (mole/L) 0.0500, 0.0500, 0.1000, 0.0500 3. Initial (C)(mole/L) 0.0100, 0.0100,
asked by Munavvar 
Vectors Math
I was given this info r=1.5 m d=3 m F= 50 N angle= 110 degrees 1. What torque is APPLIED ? T=Fsin T= (1.5)(50)sin(110) T=70 N m 2. At what angle would enough force be applied to achieve maximum toque? T=Fsin T= (1.5)(50)sin(10) T=13.0 N m 3. If someone
asked by Jamie 
Vocabs
1. When we saw the breathtaking (parody, panorama, relic, grit) on that lovely autumn morning, we did not want to miss the stunning vista and decided to (maneuver, amble, balk, compact) rather than rush. Panorama; amble 2. I am always (deluded, ingrained,
asked by Anonymous 
algebra
1. ratio a is equivalent to ratio b. ratio b is equivalent to ratio c. is ratio a equivalent to ratio c? 2. you are 13 years old, and your cousin is 19 years old. as you grow older, is your age proportional to your cousin's age?
asked by elivia 
Chemistry
Need Help! 1. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts? 2.In the acetylene torch,
asked by Jennie 
Vectors
Expand to the general case to explore how the cross product behaves under scalar multiplication k (a x b) = (ka) x b = a x (kb).
asked by Teejay 
Chemistry
Even when a mechanism is consistent with the rate law , later experimentation may it to be incorrect or only one of several alternative. As an example, the reaction between hydrogen and iodine has the following rate law: rate=k[H]^3[I]2. The long accepted
asked by Munavvar 
Chemistry
Acetone is one of the most important solvents in organic chemistry, used to dissolve everything from fats and waxes to airplane glue and nail polish. At high temperature, it decomposes in a first order process to methane and ketene (CH2=C=O).At 600C, the
asked by Munavvar 
chemistry
One of the ways to produce iron is to take iron(II) oxide and react it with carbon monoxide to get pure iron and carbon dioxide. The reaction is FeO(s) + CO(g) = Fe(s) + CO2(g). What is the partial pressure of CO2(g) if 2.00 atm of CO and excess iron(II)
asked by danny 
physics
A 2200 kg car traveling at 8.7 m/s collides with a 2750 kg car that is initially at rest at the stoplight. The cars stick together and move 2.00 m before friction causes them to stop. Determine the coefficient of kinetic friction between the cars and the
asked by Amy 
math
Find the roots of the quadratic equations x^2  1/12x 1/12 = 0 ?
asked by tuhituhi 
math
Divide 12 into two parts such that the sum of their square is 74?
asked by tuhituhi 
Chemistry
At body temperature (37C), K of an enzymecatalyzed reaction is 2.3x10^14 times greater than k of the uncatalyzed reaction. Assuming that the frequency factor A is the same for both reaction, by how much does the enzyme the E^a?
asked by Munavvar 
Physics
Hey, I'm studying for my physics class, and I'm not sure how to solve this problem. Can someone walk me through it please? I'd really appreciate any help! John throws a baseball from the edge of a cliff with an initial velocity of 17.0 m/s at an angle
asked by James 
probability
Let K be a discrete random variable with PMF pK(k)=⎧⎩⎨⎪⎪1/3,2/3,0if k=1,if k=2,otherwise. Conditional on K=1 or 2, random variable Y is exponentially distributed with parameter 1 or 1/2, respectively. Using Bayes' rule, find the conditional PMF
asked by RVE 
Art
What is one way that the industrial revolutions impact showed itself in the art of realist like Monet? A. Realists documented their inner reactions to the revolution B. realists documented the lives of rules and the wealthy C realists documented the
asked by BUBBLES 
math
A ship leaves an island (5°N, 45° E) and sails due east for 120 hours to another island. Average speed of the ship is 27 knots. Calculate the distance between the two islands In nautical miles In kilometers
asked by kudu 
physics
a rectangular loop with a=6.0 cm, and b=4.0 cm, moving with a velocity v=8.0 cm/s into an area where the magnetic field is uniform, pointing into the page, and whose magnitude is B= 440 mT. a) What is in volts the induced emf in the loop when the loop is
asked by Ciel 
philosopy
Do you agree with Bruce Hinrichs (in Kessler) that there is no good reason for people to feel "threatened or dehumanized" if scientific studies showed that the human mind is nothing more than the physical brain  and, more generally, that humans are
asked by TayB 
Statistics
Science scores for high school seniors in the United States are normally distributed with a mean of 78 and a standard deviation of 10. Students scoring in the top 10% are eligible for a special prize consisting of a laptop and $2,000. What is the
asked by JOE 
chemistry
50.0 mL of a solution of HCl is combined with 100.0 mL of 1.15 M NaOH in a calorimeter. The reaction mixture is initially at 22.4°C and the final temperature after reaction is 31.2°C. What is the molarity of the HCl solution? You may assume that there is
asked by Marcus 
physics
A rectangular loop with a=2.9 cm, and b=1.9 cm, moving with a velocity v=3.8 cm/s into an area where the magnetic field is uniform, pointing into the page, and whose magnitude is B= 450 mT. a) What is in volts the induced emf in the loop when the loop is
asked by Trisha 
Calculus (Partial Derivatives)
A car dealer determines that if gasolineelectric hybrid automobiles are sold for x dollars apiece and the price of gasoline is y cents per gallon, then approximately H hybrid cars will be sold each year, where H(x,y)=6000−13x^(1/2)+2(0.1y+20)^(3/2). She
asked by Bill 
English
____1__ young people may be able to list the many accomplishments of the Reverend Dr. Marting Luther, King jr. They may know that he was a civil rights leader who aspired to achieve racial harmony and was an __2__ of peaceful but direct action. They may
asked by Sora 
Chemistry
Consider the uni molecular reaction cyclopropane? Propylene. The value of log A for high pressure limit is 15.17. Calculate the value of S? For the reaction. Calculate the contribution of S trans in the above reaction at 298K?
asked by Munavvar 
Finance
you have to replace a copy machine and you have 2 offers. both offers 3 year leases. offer 1 requires an upfront payment of $1700 with additional payments of $1200 at the beginning of years 2 and 3. The firm is also charged onehalf of 1 cent, ($0.005),
asked by Sophie 
physics
the water in a 0.5 km wide river is flowing at 5 m/sec from west to east. a man row a boat with a velocity of 13 m/sec in a direction of north west relative to water. find the time taken to cross the river so that man reaches exactly at same point to
asked by ali 
English
I like baseball, it teaches me about the sport and it’s also fun.
asked by Andrew 
physics
an arrow is shot into the air with an initial velocity of 100m is at elevation of 60 degree find. a the time of flight b the maximum height attained c the range
asked by Anonymous 
Math
A multiple  choice quiz contains 5 questions with 4 choices for each answer. A student passes the quiz if they get at least an 80% on the quiz . If a student guesses on every question , find the probability that she passes the quiz . I have tried
asked by Kaela 
ap calc
find the volume generated by revolving the area bounded by y=x^3, y=0, and x=2 about the line x=1. I know how to the solve the problem but am not sure how to get the interval. Please help.
asked by anonymous 
statistics
how to summarize statistic assumption
asked by blue 
Chemistry
A principle of green chemistry is that the energy requirement of industrial processes should have minimal environmental impact. How can the use of catalysts lead to "greener" technology?
asked by Munavvar 
Physics
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.050 s, during which time it experiences an acceleration of 380 m/s2. The ball is launched at an angle of 51° above the ground. Determine the
asked by Cetris 
probability
For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is indicated with a small solid circle. (original images belonging to: "The science of uncertainty") 1. No, it is not a valid CDF 2. Yes,
asked by RVE 
St Dans
Amite wants to make a mold for a candle. She wants the shape of the candle to be a rectangular prism with a volume of exactly 23 cubic centimeters. She wants the sides to be whole centimeters. How many different molds can she make?
asked by Anonymous 
Physics
In diving to a depth of 785 m, an elephant seal also moves 410 m due east of his starting point. What is the magnitude of the seal's displacement?
asked by Cetris 
Sgt
raymond wants to make a box that has a volume of 360 cubic inches. He wants the height to be 10 inches and the other two dimensions to be whole numbers of inches. How many differentsize boxes can he make?
asked by Anonymous 
Physics
A 42 kg man stands on a bathroom scale in an elevator. Starting from rest at the bottom floor, the elevator ascends, attaining its maximum speed of 1.95 m/s in 1.22 s. It travels with this constant speed for the next 7.80 s. The elevator then slows down
asked by James 
VECTORS (need help)
I was given this info r=1.5 m d=3 m F= 50 N angle= 110 degrees 3. The attempt at a solution T=Fsin T= (1.5)(50)sin(110) T=70 J How do i get (maximum) torque?
asked by Teejay 
Physics
Can someone help me with this problem? It requires a lot of visualizing and I've never been great at problems like that. A pair of blocks of mass m1 =29.0 kg, and m2 =58.0 kg, are being pushed on a horizontal surface by a constant forces of magnitude
asked by James 
Vocabs
negative 1. It was quite common for outlaws of the wild west to have several (names, aliases. aliases neutral 2. The gymnast achieved (meteoric, rapid) fame after her Olympic debut. Meteoric negative 3. Our cat (balked, hesitated) when I opened the door to
asked by Anonymous 
Physics
A fire hose ejects a stream of water at an angle of 30.9° above the horizontal. The water leaves the nozzle with a speed of 26.5 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the
asked by Cetris 
Physics
An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.5 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?
asked by Cetris 
Math
Write a possible explicit rule for the nth term. 20, 40, 80, 160, 320 a sub n = 20(2)^n1?
asked by Anonymous 
Physics
Two boats are heading away from shore. Boat 1 heads due north at a speed of 4 m/s relative to the shore. Relative to boat 1, boat 2 is moving 35° north of east at a speed of 1.2 m/s. A passenger on boat 2 walks due east across the deck at a speed of 1.3
asked by Cetris 
Vocabs
Replace the boldface words in the sentences below. Then explain how connotation of the replacement word changes the tone of the sentence. Choices: unerring, replenished, sabotaged, foiled, stealthy, engulfed 1. Once again the police were vicarious when
asked by Anonymous 
maths
find the lowest common multiple of 45 and 60
asked by manisha 
probability
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. (figure belongs to "the science of uncertainty) 1. Are X and Y
asked by RVE 
probability
Determine whether each of the following statement is true (i.e., always true) or false (i.e., not always true). 1. Let X be a random variable that takes values between 0 and c only, for some c≥0, so that P(0≤X≤c)=1. Then, var(X)≤c2/4. TRUE 2. X and
asked by RVE 
chemistry
Hi Please ... is the absolute temperature equal temperature in kelvin? Thanks for you
asked by doa'a 
Criminal Justice
In order to make the most of every opportunity to preserve evidence and to ensure a complete investigation, the investigator should always: A. refrigerate evidence to preserve it. B. call for a second investigator to help out. C. strive to involve evidence
asked by Amy 
government
the principles of separation of powers is necessary if government tyranny is to be avoided; Discuss
asked by ohemeng 
Torque Vectors Question (HELP)
I was given this info r=1.5 m d=3 m F= 50 N angle= 110 degrees 1. What torque is applied? T=Fsin T= (1.5)(50)sin(110) T=70 J 2. At what angle would enough force be applied to achieve maximum toque? T=Fsin T= (1.5)(50)sin(90) T=75 (joules) 3. If someone
asked by Rajpreet 
Math
Help me set up the matrices for this! I can solve it, but having a difficult time getting the matrix set up. A pharmacist mixes together three types of vitamin tablets. Each Tablet A contains, among other things, 12 mg of niacin and 10 I.U. of vitamin E.
asked by LBA1mt 
Math
Write a possible explicit rule for the nth term. 1/2, 1/4, 1/6, 1/8, 1/10
asked by Anonymous 
math
If the elevator has an upward acceleration of 2.60m/s^2 and the balance reads 60.0 N, what is the true weight of the fish?
asked by rick smith 
Religion
State the Argument from Religious Experience, does God really exists? *Explain the argument's strengths * Explain (two) of the argument's weaknesses *Explain which attributes of God are supported by the argument. For example, "Is the God proven to exist
asked by Lacey 
geography
how did cultural diffusion impact the development of japan
asked by rosie 
Science
Describe the total momentum of billiard balls before and after the cue ball collides with another ball
asked by John 
Geometrt
Casey sights the top of an 84 foot tall lighthouse at an angle of elevation of 58 degrees. If casey is 6 feet tall, how far is he standing from the base of the lighthouse?........ Do I use cos, tan, or sin? I did the rest of the worksheet but I'm not sure
asked by Ashley 
Earth Science
Which of the following does NOT occur at a convergent boundary? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One continental plate moves into an oceanic plate. I think it's C
asked by Emi 
chemistry
Equilibrium is: a dynamic condition in which the concentration of the reactants is equal to the concentration of the products. a static condition in which the concentration of the reactants is equal to the concentration of the products. a static condition
asked by danny 
chemistry
Lead iodide is a relatively insoluble compound. It can dissolve from the solid phase into the aqueous phase with a Keq of 0.00027. If the concentration of lead iodide in the aqueous phase 0.125 M, then: a. we need more information to determine the progress
asked by danny 
physics
A 3.49 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to oneseventh the original speed of the 3.49 mud ball. What is the mass of the second mud ball?
asked by Amy 
Math
The sum of the ages of Dorothy and Dona is 41. In five years, Dorothy will be twice as old as Dona. Find their ages 3 years ago.
asked by Liza 
formulas
i want to lay carpet in a rectangular room30x20 how much carpet will i need
asked by art 
Chemistry
What is the uncertainty (+/ ?) of molar concentration (M)?
asked by Anonymous 
calculus 2 extremely difficult
The function is r(t)= 400texp(0.2t^2) and it shows the rate at which people show up in a line outside a theatre to buy tickets. t is the number of hours after 8:00am Assume there is no people at 8:00am and the patrons are served at a constant rate of 200
asked by Integration 
physics
A 39turn circular coil of wire has a diameter of 1.2m. It is placed with its axis along the direction of the Earth's magnetic field of 58μT at 52° below the horizontal, and then in 0.16s it is flipped 180°. a) What is volts the magnitude of the average
asked by Katie 
Programming
A sweater is on sale for 25% off the original price. The original price is $50 write a solution to calculate and print the sale price.
asked by Jonson Anderson 
applyng fundamental concepts
Which of the following examples describes a child in the symbolic level? A. A child who can't identify numbers above 10 B. A child lining up Unifix Cubes in a row C. A child who figures out the answer to 2 + 5 in his/her head D. A child who counts up using
asked by lauren 
Problem Solving
Michael has designated 5% of his paychecks for the year for presents (birthday, Monther's day, etc.) Write a solution to calculate the amount of money he can spread give the amount of money he earns.
asked by Gary 
linear algebra
1 0 2 −2 0 1 0 0 1 0 −1 −1 2 0 0 0 −1 2 1 0 Is the set S = {v1, v2, . . . , vk} linearly independent?
asked by sam 
Probability
Can someone help me with this question? In the game of craps, a player loses a pass line bet if a sum of 2, 3, or 12 is obtained on the first roll. In another version of the game called crapless craps, the player does not lose by rolling craps, and does
asked by Anonymous 
Algebra Answer ASAP thx!
(Rewrite each fraction with all the variables in the numerator) 8c^5/11d^4 e^2
asked by lol 
English
1) charisma: A)feelings. B) personal appeal. C)luck 2)contemporary A)common. B) oldfashioned C)today's 3)contend A)to wish B) to deny C)to declare 4)conversely A)in contrast. B) in a modern way C)similarly 5)extrovert A)a supporter of causes. B) a timid
asked by Celine 
applyng fundamental concepts
To match figures with corresponding silhouettes, children need to develop the concept of A. spatial relations. B. graphing. C. symbols. D. measurement. my answer is c.
asked by lauren 
chem
In the laboratory you are asked to make a 0.574 m iron(III) nitrate solution using 315 grams of water.
asked by qua 
Math
To make 4 1/2 gallons of ice cream, it takes 6 3/10 gallons of milk. How many gallons of milk does it take to make one gallon of ice cream?
asked by Angel 
Language Arts
Which of the following sentences uses a predicate noun? A. When you leave, I will feel sad. B. My sister is their most valuable player. C. Their most valuable player is she. D. I will be saddened when you leave. Thank you for any help you give!
asked by Elizabeth 
applying fundamental concepts
An understanding of which of the following processes is needed to do patterning skills? A. Pictorial mapping B. Algebraic thinking C. Numeral recognition D. Seriation my answer is d.
asked by lauren 
Physics
An unstable nucleus with a mass of 18.0 ✕ 1027 kg initially at rest disintegrates into three particles. One of the particles, of mass 4.1 ✕ 1027 kg, moves along the positive yaxis with a speed of 8.0 ✕ 106 m/s. Another particle, of mass 7.7 ✕
asked by Carol 
Physics
A 4.1 g dart is fired into a block of wood with a mass of 20.2 g. The wood block is initially at rest on a 1.2 m tall post. After the collision, the wood block and dart land 2.6 m from the base of the post. Find the initial speed of the dart.
asked by Betty 
science
If an object is thrown 60m into the air and it takes the object 6s to get there what's there average speed of the object
asked by Jay 
chemistry 2
For the simple decomposition reaction below, rate = k[AB]2 and k = 0.30 L/mols. AB(g) A(g) + B(g) If the initial concentration of AB is 1.20 M, what is [AB] after 10.0 s?
asked by Anonymous 
English 102
IS this a good research question? What stage of childhood development does research show how experiences affect brain development and why?
asked by De 
calculus
Find relative Minimum and Maximum f'(x) = (94x^2)/ (x+1)^1/3
asked by Akki 
Malaysian Legal System II
Write a research paper detailing the criminal justice systems of England and Malaysia, and outline any differences in how criminal justice functions in both systems.
asked by Anonymous 
Chemistry
A 45.4 grams of a gold metal sample was heated with the amount of energy of 228 J. Which of the following would the most plausible temperature change of the gold sample? The specific heat of gold is 0.131 J/g.oC. 12.8 oC to 38.3 oC 24.4 oC to 81.6 oC 23.8
asked by Heather 
spanish
Hello, I need to double check for incorrect grammar and sentence flow. Thank you very much. I am writing a (1) biography of Juan de Villanueva, (2) his architectural themes, (3) his styles, and (4) a personal/anecdotal interpretation of his work. I am okay
asked by Proofread for incorrect grammar 
Physics
Three cylindrical blocks x, y and z are made of different materials of densities 2g/cm3, 5g/cm3 and 10g/cm3 respectively. If the side of each block resting on a level surface has an area of 2cm2, 4cm2 and 6cm2 and the height of block x is 10cm calculate;
asked by JUBA 
Health
Does a diet will help you lose 10 pounds in 3 days debunk the nutrition myth? My answer is yes
asked by Steve 
Chemistry Help
How many moles of H2 and N2 can be formed by the decomposition of 0.250 mol of ammonia, NH3? Is it 0.250*3mol H2=0.75 0.25*1mol N2=0.25 Am I correct?
asked by Matthew 
english
Use an apostrophe when writing about someone (a noun) that has possession of something. A) true b) false. Is the answer a) true?
asked by josh 
calculus
Find the area of the region bounded by the curves y=x^2 & y=2x???
asked by Akki 
Accounting
formation about the Maxwell Company's inventory of one item during 2010 is given below. Units Unit Cost Beginning Inventory, Jan 1, 2010 80 $24.00 Purchases: March, 2010 45 24.00 July 2010 75 22.00 Nov. 2010 100 21.00 Ending Inventory, Dec. 31, 2010 55
asked by Lorilori 
Chemistry
how many moles of solid mg(oh)2 should you ad to 200 ml of .15M acetic acid solution to produce ph 4.0 buffer?
asked by Munavvar 
Science
Organs like the liver, lungs, and intestines, each perform a specific job. COMPARE AND CONTRAST: How are the organs in a model of a human body the same and how are they different? Thx!!
asked by Kyle 
aircondition & refrigerator
how many kj will be absorbed in changing 93kj to it at 20degree celsius to water in 40degree celsius show working
asked by eze stanley 
Chemistry
Vapour pressure of ideal solutions at 25c the vapour pressure of chloroform and carbon tetrachloride are 26.54 and 15.27 kpa respectively. If the liquids from ideal solutions. (A) what is the composition of the vapour in equilibrium with with a solution
asked by Munavvar 
Chemistry
The magnetic moment (mu) values for Cs2 (MnCl4), k4 (Mn (CN) 6) and K2 (Ni (CN) 4) are 5.9 , 1.8 and 0 B.M, respectively. Explain the difference of these values based on the Valence bond theory.?
asked by Munavvar 
Chemistry
You are staying the reaction A2 (g)+B2 (g)=2AB (g) To determine its rate law .Assuming that you have a valid experimental procedure for obtaining (A2)& (B2) at various times, explain how you determine (a)the initial, (b) the reaction order, & (c) the rate
asked by Munavvar 
Chemistry
Define thehalf of a reaction. Explain on the molecular level why the half life of a firstorder reaction is constant
asked by Munavvar 
calculus
Find the area between the curves y=x^2 & x=2?
asked by Akki 
lifeorientation
wht is the six symtoms of intrapersonal conflict in a person
asked by patricia 
Chemistry
If the temperature in problem 16.60 (25C), by what factor does the fraction of collisions with energy equal to or greater that the activation energy change?
asked by Munavvar 
Social Studies
The people of Brazil can best be decribed as A Primarily indigenous in descent B largely of the white European ancestry C mestizos with sharedindigenous heritages
asked by Jack 
physic
a projectile is fired from the ground level with a velocity of 500ms at 30 degree to the horizontal. Determine 1 it's horizontal range 2 the greatest vertical height reached 3 the time taken to reach this height (g=10mls2
asked by babagana 
physics
an anti aircraft gun fires at an elevation of 60 degree at an enemy air at 10.000 m above the ground. AE what speed must cannombe shot to hit the plane at the height (g=10m50)
asked by Anonymous 
english
Is traditional african marriage an advantage for man only? Write a reason
asked by Nonjabuloh 
Life orientation
To what extent can intrapersonal conflict affect communication relationships
asked by Lerato 
Social Studies
The people of Brazil can best be decribed as A Primarily indigenous in descent B largely of the white European ancestry C mestizos with sharedindigenous heritages
asked by Jack 
english
Revise the following word groups to remove all fragments and/or parallelism errors. I like baseball because it is fun and teaches me about the sport. My Answer I like baseball, it teaches me about the sport and it’s also fun.
asked by Andrew 
geography
how geography affects the way of life in japan
asked by rosie 
Physics
A 2302 kg block of granite is pulled up an incline that has an angle of inclination of 17.0 o with a constant speed of 2.22 m/s by a steam winch (see Figure). The coefficient of kinetic friction between the block and the incline is 0.340. How much power
asked by Lauren 
geography
why did the mongol dynasty collapse
asked by rosie 
Chemistry
Define thehalf of a reaction. Explain on the molecular level why the half life of a firstorder reaction is constant
asked by Munavvar 
geography
describe the food people achievements inventions art and architecture of china under kublai khan
asked by rosie 
To Nombuso
I removed your post because you included personal contact information. That is not a safe thing to do online.  Ask your school counselor for help. What are your grades in those classes? If they're high, then you have more choices. What do
asked by Writeacher 
Physics
A solid cylinder is pivoted at its center about a frictionless axle. A force is applied to the outer radius of 1.27 m at an angle of 30 ◦ above the tangential and exerts a force of 5 N. A second force is applied by wrapping rope around the inner radius
asked by Caleb 
Math
3m/4n * 2n/5m^2
asked by M 
ap calc
Find the area of the shaded region, bounded by the parabola 16y=5x^2+16 and the lines y=0, y=6, and x=5. I broke the figure up into two parts and got 3102/5. It seems like a large answer am I correct? Your help is greatly appreciated.
asked by Lyndsay 
Physics
How will the balancing length of a potentiometer be affected if resistance in the primary cell is increased or decreased? Will the balancing length change if a resistance is introduced before the jockey ?
asked by vin 
math
I am solving a problem and have cos(a)=1/2. How do I solve for a?
asked by Lyndsay