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2012
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Questions Asked on March 21, 2012

In figure p4.36, m1 = 10kg and m2 = 4.0kg. the coefficient of static friction between m1 and the horizontal surface is 0.50, and
1. 1 answer
2. asked by riel
3. 6,980 views
deduce what similarities would be found in the DNA structure of genes from a cat human and eucalyptus tree
1. 6 answers
2. asked by Benji
3. 6,913 views
determine the radius of a circle if a 24 inch chord is 9 inches from the center
1. 2 answers
2. asked by carey
3. 5,635 views
why does a cool, distant, supergiant star such as Betelgeuse have such a high apparent magnitude?PLEASE HELPPPPP!!!!!!
1. 5 answers
2. asked by Paula
3. 5,248 views
A spherically symmetric object, with radius R = 0.50 m and mass M = 1.3 kg, rolls without slipping across a horizontal floor,
1. 2 answers
2. asked by Katie
3. 3,710 views
What is true about H+ and OH- when the endpoint is reached in an acid-base titration?
1. 1 answer
2. asked by Allyson
3. 3,269 views
A 0.552 g sample of ascorbic acid(Vitamin C) was dissolved in water to a total volume of 20.0 ml and titrated with 0.1103 M KOH.
1. 2 answers
2. asked by Cooper
3. 3,097 views
in a batch of 15 students failed in a test. the marks of 10 who have passed were 9,6,7,8,8,9,6,5,4,7.find the median of all 15
1. 2 answers
2. asked by meena
3. 3,084 views
If Deneb and Rigel were located at alpha Centauri's distance from earth, how would they appear?PLEASEEE HELPPPPPP!!!!!!!!!!
1. 1 answer
2. asked by Paula
3. 3,035 views
consider the following: A point on the tip of a tuning fork vibrates in harmonic motion described by the equation d=10sin(ωt).1
1. 1 answer
2. asked by Help
3. 2,996 views
please help...What is the molarity of 3.68mL of a solution containing 0.0025 moles of calcium chloride?
1. 2 answers
2. asked by Fisher
3. 2,935 views
A cardboard box of 32in^3 volume with a square base and open top is to be constructed. What is the length of base that will
1. 1 answer
2. asked by ASAP
3. 2,751 views
Please explain how to set this up and how to solve:A school's rectangular athletic fields currently have a length of 125 yd and
1. 4 answers
2. asked by Jane
3. 2,658 views
1.Can an object reverse its direction of travel while maintaining a constant acceleration? If so, give an example. If not,
1. 1 answer
2. asked by Anonymous
3. 2,647 views
Consider a solution that is 0.022 M in Fe2+ and 0.014 M in Mg+2.A). If potassium carbonate is used to selectively precipitate
1. 2 answers
2. asked by ALISON
3. 2,619 views
Musical styles other than rock and pop are becoming more popular. A survey of college students finds that 48% like country
1. 2 answers
2. asked by Dee
3. 2,533 views
A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width
1. 5 answers
2. asked by Isabella
3. 2,514 views
A buoy oscillates in simple harmonic motion according to the motion of waves at sea. An observer notes that the buoy moves a
1. 6 answers
2. asked by Help
3. 2,364 views
Phillip made fudge that filled a 20-cm by 21-cm by 3-cm pan.a)what is the volume of the fudge? b)there are 30 bpeople in the
1. 6 answers
2. asked by Anonymous
3. 2,324 views
If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent?c. Use the limiting reagent to
1. 1 answer
2. asked by princess
3. 2,321 views
I have to write these paragraphs for a writing assignment and just wasn't sure is I was doing it right. Need some advice!!ASSIGN
1. 3 answers
2. asked by alma
3. 2,175 views
The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a
1. 1 answer
2. asked by Anonymous
3. 2,172 views
Suppose that the travel time from your home to your office is normally distributedwith a mean of 40 minutes and standard
1. 2 answers
2. asked by Brad
3. 2,139 views
A supertanker filled with oil has a total mass of 14.1·10^8 kg. If the dimensions of the ship are those of a rectangular box
1. 1 answer
2. asked by maria
3. 2,117 views
The sun radiates energy at the rate of 3.92x 10^26 W. (a) What is the change in the sun's mass in one second? (b)How much mass
1. 1 answer
2. asked by daniela
3. 1,864 views
Determine the least positive value of t for which d=0.d=cos((3pi/4)(t)) 0=cos((3pi/4)(t)) I got stuck on this step Please help
1. 1 answer
2. asked by Help
3. 1,821 views
Consider a Cournot duopoly with the following inverse demand function: P = 50 - 0.2Q1 - 0.2Q2. The firms' marginal cost are
1. 1 answer
2. asked by Chris
3. 1,686 views
Two identical firms compete as a Cournot duopoly. The demand they face is P = 100 - 2Q. The cost function for each firm is C(Q)
1. 2 answers
2. asked by Chris
3. 1,685 views
The spring in the muzzle of a child's spring gun has a spring constant of 780 N/m. To shoot a ball from the gun, first the
1. 1 answer
2. asked by kassie
3. 1,608 views
The diameter of clock's face is 6 inches. Find the length of the minor arc formed by the hands of the clock at 4:00.
1. 1 answer
2. asked by carey
3. 1,589 views
If a firm supplies separable markets with price elasticities h1 = -3 and h2 = -2, it should set prices P1 and P2 so that:a.2/3P1
1. 2 answers
2. asked by Carol
3. 1,541 views
A local video store estimates their average customer's demand per year is Q = 7 - 2P, and knows the marginal cost of each rental
1. 1 answer
2. asked by Ronald
3. 1,494 views
Two identical beakers are both half filled with a liquid. Beaker A contains water and Beaker B contains a liquid that is denser
1. 2 answers
2. asked by Ariel
3. 1,487 views
Marion drives 20 miles a day from his first job to his second job. He worked 125 days during 2011 on both jobs. What is Marion's
1. 6 answers
2. asked by Andy
3. 1,434 views
The price elasticity of demand for senior citizens purchasing coffee from McDonald's is -5 while non senior citizens have a
1. 1 answer
2. asked by Ronald
3. 1,430 views
Two objects of equal mass are on a turning wheel. Mass 1 is located at the rim of the wheel while mass 2 is located halfway
1. 1 answer
2. asked by Miriam
3. 1,390 views
A 33.0-mH inductor has a reactance of 2.20 kΩ.(a) What is the frequency of the ac current that passes through the inductor? (b)
1. 1 answer
2. asked by linds
3. 1,368 views
The spirit of equating marginal cost with marginal revenue is not held bya.perfectly competitive firms. b.oligopolistic firms.
1. 2 answers
2. asked by Chris
3. 1,364 views
If you were standing in a bus moving at constant velocity would you have to lean in some special way to compensate for the bus's
1. 1 answer
2. asked by Anonymous
3. 1,351 views
A monopoly firm is different from a competitive firm in thatA. there are many substitutes for a monopolist's product while there
1. 0 answers
2. asked by Anonymous
3. 1,341 views
sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack and
1. 5 answers
2. asked by justin
3. 1,330 views
I'm not sure what these questions mean and I have to answer them for homework¿Qué necesitas para comer en cereal?does this ask
1. 5 answers
2. asked by Ellen
3. 1,330 views
If the greatest potential energy is 100J will the kinetic energy of the object ever reach 100J?
1. 1 answer
2. asked by tom
3. 1,328 views
i have to make creative story abt me having mental illness. i really having trouble with this. i not know what mental problem to
1. 8 answers
2. asked by Mohammad
3. 1,323 views
1. A 26.0-Ω resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 150-V generator.(a) At what
1. 3 answers
2. asked by linds
3. 1,323 views
Consider the equation: A + 4B=3C+3D, when equal masses of A and B are reacted, which is limiting?My possible answers are: A)if
1. 4 answers
2. asked by Jessica
3. 1,322 views
Suppose a manager is interested in implementing third-degree price discrimination. The manager knows that the price elasticity
1. 1 answer
2. asked by Carol
3. 1,320 views
it took a ball 1 minute to roll 90 feet. What was the ball's average rate of speed, in inches per second?
1. 2 answers
2. asked by Anonymous
3. 1,286 views
72.33 mL of 0.137 M HCl was added to an Erlenmeyer flask and is titrated with 0.165 M NaOH. Calculate the pH when 5mL of NaOH is
1. 5 answers
2. asked by blair
3. 1,250 views
Two trucks that appear to be identical collide on an icy road. One was originally at rest. The trucks stick together and move
1. 1 answer
2. asked by Becky
3. 1,247 views
A kettle containing 1 kg of water has just reached its boiling point. How much energy, in joules, is required to boil the kettle
1. 2 answers
2. asked by Michelle
3. 1,245 views
can you help me with science. we usually have science on wednesday, but during that time, i have to go to violin. i don't get
1. 0 answers
2. asked by Celest
3. 1,162 views
Suppose you are the marketing manager for the Fruit of the Loom. An individuals' inverse demand for Fruit of the Loom women's
1. 0 answers
2. asked by Steve
3. 1,153 views
During a storm, the wind exerts a 150-N force on a window that measures 1.00 m by 0.50 m. The outside air pressure is 101 kPa.
1. 2 answers
2. asked by Ariel
3. 1,138 views
How does a periscope work when it has 2 mirrors and light?A.Lenses refract the light B.Light bends as it travels and mirrors
1. 0 answers
2. asked by Derrick
3. 1,136 views
Is 87 rounded to 90 or 85? I have to round to nearest fifth
1. 4 answers
2. asked by Zack
3. 1,126 views
Two firms compete as a Stackelberg duopoly. The inverse market demand they face is P = 62 - 4.5Q. The cost function for each
1. 1 answer
2. asked by Ronald
3. 1,119 views
What volume of 3.0M sodium hydroxide will be needed to neutralize 2.0 L of 1.0M hydrochloric acid?
1. 2 answers
2. asked by Laurie
3. 1,118 views
Write the standard equation for the circle that passes through the points:(0, 0) (6, 0) (0, - 8) You must include the
1. 1 answer
2. asked by Adrianna
3. 1,094 views
1. A 25.00 sample of 0.723M HClO4 is titrated with a 0.273M KOH solution. The H3O+ concentration after the addition of 10.0mL
1. 0 answers
2. asked by Shayla
3. 1,091 views
The table shows the minimum wage for three different years.Year 1940, 1968,1997 wages for 1940 $.025, 1968 $1.60, 1997 $5.15
1. 0 answers
2. asked by Rochelle
3. 1,087 views
Could you please check these few things? Thank you, Writeacher.Here is the password connected to the students' class email
1. 1 answer
2. asked by Matthew
3. 1,056 views
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of
1. 0 answers
2. asked by john
3. 1,046 views
a ladder is 53 inches. how tall is it in feet and inches
1. 1 answer
2. asked by melissa
3. 1,043 views
1.What is refraction? The bending of light as it passes through matter2.What type of lens would you use to magnify your view of
1. 3 answers
2. asked by Derrick
3. 1,041 views
how would you write the ratio of 4 white shirts to 6 red shirts
1. 1 answer
2. asked by ruben
3. 1,040 views
a boat travel for 4hr from pole a to pole b.then it travel for 3hr from pole b back to pole a.the distance between the two poles
1. 2 answers
2. asked by Da S
3. 1,038 views
A current-carrying conductor that is 8.00x10^-2 m long is placed perpendicular to a magnetic field that has a strength of
1. 1 answer
2. asked by sarah
3. 1,038 views
A buoy oscillates in simple harmonic motion according to the motion of waves at sea. An observer notes that the buoy moves a
1. 1 answer
2. asked by Help
3. 1,014 views
A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.19 cm and is 1.25 m above the bottom
1. 2 answers
2. asked by maria
3. 1,007 views
A monopoly produces widgets at a marginal cost of $8 per unit and zero fixed costs. It faces an inverse demand function given by
1. 0 answers
2. asked by Steve
3. 1,004 views
A volume of gas v at temperature T1 and pressure P, is enclosed in a sphere. It is connected to another sphere of volume v/2 by
1. 2 answers
2. asked by Joanna
3. 1,003 views
The McKeegan Corporation has two different bonds currently outstanding. Bond M has a face value of $29,500 and matures in 24
1. 1 answer
2. asked by Mary
3. 1,001 views
I have 20 pieces of sod that are 1ft X 2ft and 20 pieces of sod that are 1ft X 3ft. How large a square in my garden can I put
1. 1 answer
2. asked by carla
3. 980 views
2 moles of an ideal gas at 20k changes from a pressure of 15 atm to 3 atm at constant temperature. Calculate the work done by
1. 1 answer
2. asked by frank fred
3. 969 views
If a firm supplies separable markets with price elasticities h1 and h2, it should set prices P1 and P2 so that:a.P1 /h1 = P2 /h2
1. 0 answers
2. asked by Ronald
3. 950 views
Two objects of equal mass are on a turning wheel. Mass 1 is located at the rim of the wheel while mass 2 is located halfway
1. 0 answers
2. asked by Miriam
3. 924 views
The market demand in a Bertrand duopoly is P = 15 - 4Q, and the marginal costs are $3. Fixed costs are zero for both firms.
1. 1 answer
2. asked by Steven
3. 905 views
Statistics: Analyze student exam scoresStudents were given an exam with 300 multiple choice questions. The distribution of the
1. 1 answer
2. asked by ro
3. 897 views
the speed of a passenger train is 18mph faster than the speed of a freight train. The passenger train travels 310 miles in the
1. 1 answer
2. asked by kay
3. 889 views
If an iq test has high predictive validity, thena. a psychologist can accurately guess what score someone will get before he or
1. 2 answers
2. asked by Ashley
3. 888 views
which is the better unit to use to measure the capacity of a bathtub: milliters or liters? explain your choice.a liter is equal
1. 5 answers
2. asked by dw
3. 874 views
1) Why should we clear fractions when solving linear equations and inequalities? Demonstrate how this is done with an example.
1. 1 answer
2. asked by jess
3. 870 views
How to round 63 for homework
1. 1 answer
2. asked by Autumn
3. 865 views
An object is located 30 cm to the left of a converging lens whose focal length is 50 cm. (a) Draw a ray diagram to scale and
1. 0 answers
2. asked by Daniel
3. 863 views
When you solve a system of equations by the substitution method, how do you determine whether the system of equations is
1. 1 answer
2. asked by algebra
3. 857 views
Find the distance from point (-1, 3) to the line 5x- 4y= 10.
1. 0 answers
2. asked by Adrianna
3. 841 views
input:1 output:4input:2 output:7 input:3 output:10 input:4 output:13 What is the rule?
1. 3 answers
2. asked by Karinna
3. 831 views
Robert and his dad want to build a sandbox for his sister's birthday.They wanted it to be 4 feet wide and have an area of 28
1. 1 answer
2. asked by Derrick
3. 829 views
alberto has 12 quarters, 10 dimes, 10 nickels, and 20 pennies. How many different combinations of coins can he make to have $2?
1. 3 answers
2. asked by John
3. 821 views
The demand for health club services is Q = 350 − 2P and the marginal cost of providing these services is MC = 110 + 2Q. If a
1. 0 answers
2. asked by Ronald
3. 818 views
A 19.3- gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the
1. 0 answers
2. asked by Christie
3. 817 views
Late payment of medical claims can add to the cost of health care. An article (M. Freudenheim, "The Check Is Not in the Mail,"
1. 0 answers
2. asked by Johniece McCoy
3. 814 views
The perimeterof a square is 32 inches. Find the lenght of its diagonal. the answers should be in simplest form. make a sketch
1. 2 answers
2. asked by rob
3. 809 views
1. My hobby is computer games.2. My hobbies are computer games. 3. My hobby is a computer game. 4. My hobby is computer game. 5.
1. 1 answer
2. asked by rfvv
3. 794 views
What are some developmental theories of childhood that can be applied to the movie "The Bad Seed"?
1. 1 answer
2. asked by Anonymous
3. 788 views
Robert and his dad want to build a sandbox for his sister's birthday.They wanted it to be 4 feet wide and have an area of 28
1. 1 answer
2. asked by Derrick
3. 787 views
Explain how you can determine from the graph of a system of two linear equations in two variables whether it is an inconsistent
1. 1 answer
2. asked by algebra
3. 784 views
1. My hobby is soccer.2. My hobby is baseball. (Are both grammatical?)
1. 1 answer
2. asked by rfvv
3. 774 views
A 3.555 g sample of a monoprotic acid was dissolved in water. It took 23.32 mL of a 0.875 M NaOH to neutralize the acid.
1. 1 answer
2. asked by blair
3. 768 views

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