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2011
November
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November 6, 2011
when a 2.50 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 2.76 cm. A) what
3 answers
asked by
joe
18,402 views
a 3.5L sample of a 5.8M NaCl solution is diluted to 55L.What is the molarity of the diluted solution
1 answer
asked by
Monique
9,358 views
Describe how you would make 500.0mL of a 0.200M NaOH solution from a 15.0 stock NaOH conentration
1 answer
asked by
Monique
6,839 views
Hydrochloric acid is usually purchased in concentrated form with a 37.0% HCL concentration by mass and a density of 1.20g/mL.
2 answers
asked by
Monique
6,514 views
A KNO3 solution is made using 88.4g of KNO3 and diluting to a total soultion volume of 1.50l. Calculate the molarity and mass
1 answer
asked by
Monique
4,552 views
An atom of potassium (K) has 19 protons: 18 electrons in its inner electron energy levels and 1 electron in its outer energy
1 answer
asked by
Josh
4,388 views
A 45.8mL sample of 5.8M KNO3 solution is diluted to 1.00L. What volume of the diluted solution contains 15.0 g of KNO3.
2 answers
asked by
Monique
4,274 views
Find a point c satisfying the conclusion of the Mean Value Theorem for the following function and interval.
f(x)=x^−1 [1,9]
1 answer
asked by
saud
4,169 views
While you sleep, your body is using energy at a rate of 77 W. How many food calories are used during an eight hour period? One
1 answer
asked by
Anne
4,070 views
what is the molarity of an aqueous solution that is 6.75% glucose by mass? Assume a density of 1.03 g/ml
2 answers
asked by
swtnblk
3,860 views
Two posts, one 12 feet high and the other 28 feet high, stand 30 feet apart. They are to be stayed by two wires, attached to
1 answer
asked by
Kokos
3,799 views
A 75g person on skis is going down a hill sloped at an angle 30.the coefficient of kinetic friction between the skis and the
1 answer
asked by
Anonymous
3,211 views
A survey of 1000 veiwers conducted by a television station produced the following data:
40% watched the news at 12:00 60% watched
1 answer
asked by
kim
3,053 views
Problem 17.26
A thin film of (MgF2) n= 1.38 coats a piece of glass. Constructive interference is observed for the reflection of
1 answer
asked by
Paige
2,848 views
A dam blocks the passage of a river and generates electricity. Approximately 57,000 kg of water fall each second through a
2 answers
asked by
Anne
2,713 views
The tops of the towers of the Golden Gate Bridge, in San Francisco, are 227m above the water. Suppose a worker drops a wrench
1 answer
asked by
Danielle
2,527 views
The measure of an exterior angle of an isosceles triangle is x degrees. What are the possible angle measures of the triangle in
3 answers
asked by
Anonymous
2,335 views
typically a bullet leaves a standard 45 caliber pistol at 262 m/s. if it takes i millisecond to transverse the barrel, determine
2 answers
asked by
Amanda and Leah
2,326 views
When the equation
Fe2(SO4)3(aq) + 3Ba(OH)2(aq) ! is completed and balanced, a term in the balanced equation is 1. 2 Fe(OH)(s). 2.
2 answers
asked by
lynn
2,317 views
A ball player hits a home run, and the baseball just clears a wall 17.0 m high located 124.0 m from home plate. The ball is hit
1 answer
asked by
Jennifer
2,306 views
Problem 19.33
Two light bulbs are 1.0 m apart. Part A - From what distance can these light bulbs be marginally resolved by a
1 answer
asked by
Paige
2,209 views
If the standard deviation for waiting times in a line is 5 minutes, the standard deviation for the averages of 30 randomly
2 answers
asked by
Sarah
2,185 views
What is the Lewis structure of the Pb2+ion?
1 answer
asked by
Andrinna
2,112 views
A car is being driven along a country road on a dark and rainy night at a speed of 20 m/s. The section of road is horizontal and
4 answers
asked by
Anne
2,088 views
Find the accumulated value of an investment of $15,000 at 7% compounded semiannually for 4 yrs
1 answer
asked by
Anonymous
2,040 views
A car-rental agency charges $38 per day plus $0.21 for each mile driven. Sandra paid $88.40 for renting a car from them for one
1 answer
asked by
Anonymous
2,037 views
A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she
2 answers
asked by
WEB
1,936 views
A tractor pulls forward a moving plow with a force of 2.5*10^4N, which is just large enough to overcome friction.
A) what are the
4 answers
asked by
Amy
1,907 views
You deposit $1000 in an account that pays 8% interest compounded semiannually. After 2 years, the interest rate is increased to
1 answer
asked by
Kelly
1,849 views
TRANSLATE THE FOLLOWING SENTENCE INTO AN
EQUATION DO NOT SOLVE. tHIS IS WHAT I GOT Ten more than three times a number is 130.
6 answers
asked by
Angela
1,684 views
A boy kicks a football with an initial velocity of 20 m/s at an angle of 30 above the horizontal. What is the vertical component
2 answers
asked by
Jj
1,558 views
3.Given the function f defined by f(x)=2x^3-3x^2-12x+20
a.Find the zeros of f b.Write an equation of the line perpendicular to
3 answers
asked by
Yoona
1,524 views
I am writing a paper on "On the Amtrak from boston to new york city" by sherman alexie. I need to detail how the poet used
1 answer
asked by
m
1,514 views
The pH of an arterial blood sample is 7.15. upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard
1 answer
asked by
Maria
1,503 views
What is Walmart internal alignment?
What is walmart external competitiveness? thanks
1 answer
asked by
larvi
1,477 views
the question says: write down all factors of 6
Show that the sum of all the factors of 6 is equal to 2 x 6 (i got the first part
1 answer
asked by
Viola
1,405 views
Use rational root theorem and the factor theorem to help solve the following equation
X4-2x3-13x2+38x-24=0
1 answer
asked by
Ruth
1,397 views
Use enthalpies of formation from the textbook to calculate the standard enthalpy of the reaction for the following methane-
1 answer
asked by
Kay
1,364 views
The handmade snuffbox industry is composed of 100 identical firms, each having short – run total costs given by STC = 0.5q2 +
0 answers
asked by
Pravinesh
1,289 views
Find value of
log (base 8)log (base 2) log (base 3)log (base 3) (27)^3 I endedup with 1.000063462 which was wrong
2 answers
asked by
TC
1,283 views
Bill drove from Ajax to Bixby at an average speed of 50 mph. On the way back he drove at 60 mph. The total trip took 42/5 hours
1 answer
asked by
Mareia
1,269 views
A hockey puck slides off the edge of a table with the initial velocity of 20m/s. The table height is 2.0 m. What is the
1 answer
asked by
Jj
1,264 views
In an Atwood machine, one block has a mass of M1 = 520 g and the other has a mass of M2 = 320 g. The frictionless pulley has a
2 answers
asked by
Spencer
1,238 views
Find the interest. Round to the nearest cent in necessary.
Principal - $178 Rate - 4% Time in months - 12
2 answers
asked by
Alex L.
1,214 views
A car[enter will be building a stained glass jewelry box. The frame of the box is to be built from a 48 inch stripe of metal
1 answer
asked by
Demetra Mallios
1,211 views
Can you analyze and label at least 10 advertisements as to whether they are competitive or informative?
2 answers
asked by
kay
1,198 views
preparation of copper sulphate crystals
excess copper oxide is needed above a)how do you know the solid is in excess? b)how do
0 answers
asked by
chloe
1,190 views
CFCs such as CF2Cl2 are refrigerants whose use has been phased out because their destructive effect on Earth's ozone layer. The
1 answer
asked by
Kay
1,173 views
What is the mass of a ball with a velocity of 35.1 m/s and a wavelength of 8.92 x 10^-34 m
0 answers
asked by
Anonymous
1,167 views
A wave geneerantor produces 16.0 pulses in 4.00s .
What is the frequence ?
2 answers
asked by
Kid
1,144 views
your weight is 600 newtons and you have just finished building a raft which weighs 1000 newtons. what is the smallest upthrust
2 answers
asked by
poppy
1,142 views
I am still trying to figure out the meter in the poem On the Amtrak from Boston to New York City. Looking at the types of meter
1 answer
asked by
m
1,136 views
Alpine Bicycle Company manufactures mountain bikes. The following data for May of the current year are available:
Use the minus
0 answers
asked by
Anonymous
1,130 views
Health care workers are at risk of being exposed to blood-borne pathogens through needle-stick and other sharp object injuries.
1 answer
asked by
Darshana
1,121 views
Two hoses are connected to a swimming pool. Working together, they can fill the pool in 4 hr. The larger hose, working alone,
1 answer
asked by
Skylar
1,109 views
1. In which of the following cases is work done on the object?
A. Lifting an object off the floor. B. Pushing an object, but it
1 answer
asked by
kiren
1,099 views
A wire is frictionless between points A and B and rough between B and C. A is 5m above the ground, B is zero, and C is 2m above
0 answers
asked by
Katie
1,099 views
how much of a 1.50M solution sodium sulfate solution in milliliters is required to completely precipitate all the barium in
1 answer
asked by
Monique
1,092 views
There are so many industries having websites for retail. However, not every industry is successful in online retail. In your
1 answer
asked by
lost
1,077 views
Microsoft has been a giant in the software industry. Can we define Microsoft as a monopoly? Please explain. In addition, whether
1 answer
asked by
lost
1,055 views
A particle moves on the x –axis so that its position at any time is given by x(t) = 2t3 + 1.
a. Find the acceleration of the
0 answers
asked by
Yoona
1,051 views
Minor bills are much more likely to pass than major bills.
a. yes b. no It is an obviously yes because minor bills are through
1 answer
asked by
HM
1,050 views
Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of $100. The average physical
0 answers
asked by
lost
1,041 views
I left out the following sentences.
Thank you. 1)Of (among?) the toothed whales Narwhal whales are his favourite. They are known
1 answer
asked by
Henry2
1,040 views
A cuboid has total surface area of 40 meter squar and its lateral surface area is 26 meter squar .Find the area of its surface
3 answers
asked by
Chandan kumar
1,039 views
Duralin is an alloy of aluminium containing
4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a
2 answers
asked by
lynn
1,025 views
Write a true sentence using either < or>
-7.82 -7.802
1 answer
asked by
Angela
1,022 views
Calculate and write result in a+bi form.
5+10i/3-4i
1 answer
asked by
Mary
1,016 views
Mike completed 19 math problems before dinner for tonight’s homework, and he completed x problems after dinner. Write an
2 answers
asked by
adam
1,014 views
A right triangle with hypotenuse 5 inches is revolved around one of its legs to generate a right circular cone. Find the radius
1 answer
asked by
jj snoke
1,011 views
A 135-kg steer gains 3.5kg/day and costs 80 cents/day to keep. The market price for beef cattle is $1.65/kg, but the price falls
1 answer
asked by
Jamie
1,009 views
Optimization
An offshore oil well is 2km off the coast. The refinery is 4 km down the coast. Laying a pipe in the ocean is twice
0 answers
asked by
lele
999 views
The playground at molly's school is in the shape of an equilateral triangle.The playground at david's school is in the shape of
1 answer
asked by
Johnny
971 views
In a mass spectrometer, singely ionized carbon-12 (normal carbon of atomic mass number 12) has a radius of curvature of 9 cm.
1 answer
asked by
Arielle
947 views
to what volume should you dilute 125mL of an 8.00M CuCl2 solution so that 50.0mL of the diluted solution contains 5.9g KNO3
I
1 answer
asked by
swtnblk
932 views
often you can write an equation to solve a problem
need help these 3 1) a band made a profit of $352 from a concert. the band
5 answers
asked by
marko
930 views
There are two particles (1 and 2) that are moving around in space. The force that particle 2 exerts on 1 is given by:
F21(t)=Fx*e
0 answers
asked by
Jerry
930 views
Trying to solve this rational inequality but can't figure how to factor the numerator. ((3x-2x^2)/(4-x^2))<((3+x)/(2-x))
2 answers
asked by
Joe
927 views
select the equations of all lines through the orgin that are tangent to the curve y=x^3-8x^2-7x
1 answer
asked by
Roz
926 views
A forest fire is burning down a narrow valley 3 miles wide at a speed of 40 feet per minute. The fire can be contained by
0 answers
asked by
Anonymous
923 views
At 1:00 p.m. ship A is 25 km due north of ship B. If ship A is sailing west at a rate of 16km/h and ship B is sailing south at
7 answers
asked by
Becky
915 views
Problem 1: A long embankment is located on a soil profile consisting of 4m of medium clay followed by 8m of medium to dense sand
0 answers
asked by
Can someone help me please?
899 views
What is the volume in gallons of a rectangle 118" by 60" by 6"
1 answer
asked by
Norma
897 views
A 250 L vessel is evacuated and then connected to a 50.0 L bulb with compressed nitrogen. The pressure in the combined
2 answers
asked by
Anonymous
864 views
EVALUATE
5x-3y ________ for x=3 and y=4 7
1 answer
asked by
Angela
862 views
The chief economist for Argus Corporation, a large appliance manufacturer, estimated the firm’s short- run cost function for
0 answers
asked by
lost
861 views
Zinc chloride (ZnCl2) is 52.02% chlorine by
mass. What mass of chlorine is contained in 53.6 g of ZnCl2? Answer in units of g
0 answers
asked by
lynn
856 views
You are planning to estimate a short- run production function for your firm, and you have collected the following data on labor
0 answers
asked by
lost
851 views
a pasture is twice as long as it is wide. Its area is 115,200 ft square. How wide is the pasture
1 answer
asked by
lan
851 views
Which of the following statements about Texas state legislative elections is true?
a. There are more competitive seats than safe
2 answers
asked by
HM
843 views
in saturated sugar solutions
what is the solute? what is the solvent?
2 answers
asked by
Ivan
842 views
1.Estimate 45 x 56 using front-end.
2.Estimate 45 x 56 using rounding.
2 answers
asked by
Johnny
826 views
If 395 grams of water at 21 Celsius absorbs 285kJ of heat from a mountain climbers stove at an elevation where the boiling point
1 answer
asked by
Kay
821 views
A 25.0 kg pickle is accelerated from rest through a distance of 6.0 m in 4.0 s across a
level floor. If the friction force
1 answer
asked by
steve
797 views
when finding the area to the left of the Z score and Z= 1.43 do i subtract the z score from one or is that only when finding the
1 answer
asked by
kate
792 views
an you help me please to get an ideas or relevant answers to the questions. thank you
1. how does money affect in business firms.
0 answers
asked by
jessie
787 views
The base of a triangle is on the x-axis, one side lies along the line y=3x, and the third side passes through the point (1,1).
1 answer
asked by
Sribava
785 views
Eric is twice as old as his brother Lucas. If 4 is subtracted from Eric's age and 4 is added to Lucas's age, their ages will be
4 answers
asked by
Anonymous
781 views
Why are your ears at the side of your head and not in front where your eyes are?
3 answers
asked by
Jen
781 views
The strategies for writing positive or neutral message.
is my response correct?: In the opening avoid personal information state
2 answers
asked by
Bryan
780 views
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