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2011
March

Questions Asked on March 25, 2011

a 0.75 kg mass attached to avertical spring streches the spring 0.30m. what is the spring constant? the mass-spring system is
1. 4 answers
2. asked by marco
3. 5,818 views
1. What is the percent by mass of a solution that contains 50 grams of solute dissolved in 200 grams of solution? What is the
1. 2 answers
2. asked by Leora
3. 5,156 views
Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.5×104 times the
1. 3 answers
2. asked by christina
3. 3,465 views
A science museum requires 3 adult chaperones for every 15 students on a field trip. How many chaperones would be needed for a
1. 4 answers
2. asked by Sara
3. 3,171 views
If f is the function defined by f(x)=(x^2+4x)^(1/3) and g is an antiderivative of f such that g(5)=7, then g(1) Is congruent to
1. 1 answer
2. asked by Anonymous
3. 2,745 views
The human ear canal is approximately 2.3 cm long. It is open to the outside and is closed at the other end by the eardrum.Estima
1. 2 answers
2. asked by Sammi
3. 2,682 views
A disk with a mass of 29 kg and a radius of 31 cm is mounted on a frictionless horizontal axle. A string is wound many times
1. 1 answer
2. asked by Anonymous
3. 2,452 views
from 4 feet above a swimming pool, susan throws a ball upward witha velocity of 32 feet per second. how long does it take the
1. 1 answer
2. asked by kayla
3. 2,389 views
Lead pipes were once used to transport drinking water and are still found in some older homes and city water systems. Suppose
1. 1 answer
2. asked by abbey
3. 2,139 views
in a balanced chemical equation the mass of the reactants is equal to the?a. atoms in a molecule b. atomic mass of the elements
1. 3 answers
2. asked by sarah
3. 2,054 views
A skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at
1. 1 answer
2. asked by Otto
3. 2,044 views
1. Choose the correct Spanish translation for: “Vincent introduced himself to Rose.”A. Vicente me presentó con Rosa. B.
1. 1 answer
2. asked by anon
3. 2,017 views
a sphere has a diameter of 6x cen write an expression to represent the volume of the sphere in terms of pie
1. 4 answers
2. asked by matthew
3. 1,959 views
A solid ball of mass m and radius r rolls without slipping through a loop of radius R, as shown in the figure. From what height
1. 1 answer
2. asked by Anonymous
3. 1,894 views
Peter invested some money at 6% annual interest and martha invested some at 12%. If their investments is $6000 and their
1. 3 answers
2. asked by Anonymous
3. 1,860 views
If 20% of population have blue eyes, and 5 people are selected at random, what is the probability that at least 4 of them have
1. 3 answers
2. asked by STEPHANIE
3. 1,779 views
A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given
1. 1 answer
2. asked by Mich Mich
3. 1,703 views
A man flies a kite with a 100 foot string. the angle of a string is 52 degrees. how length off the ground is the kite?
1. 1 answer
2. asked by Niecy
3. 1,685 views
How can you compare 2 fractions by using a number line?
1. 3 answers
2. asked by destiny
3. 1,541 views
I have a homework on debate on the motion 'The youth should be blamed for indiscipline in the society ' .Please help of to raise
1. 8 answers
2. asked by Joseph
3. 1,434 views
A thin uniform rod (length = 1.3 m, mass = 4.1 kg) is pivoted about a horizontal frictionless pin through one of its ends. The
1. 1 answer
2. asked by HELP!!!!
3. 1,307 views
a current can be induced in a closed circuit without the use of a battery or an electrical power supply by moving the circuit
1. 1 answer
2. asked by Anonymous
3. 1,307 views
Tatum Company has four products in its inventory. Information about the december 31, 2009, inventory is as follows:product total
1. 0 answers
2. asked by Bobbi Loffredo
3. 1,297 views
A car slows down from 18 m/s to rest in a distance of 91 m. What was its acceleration, assumed constant?
1. 2 answers
2. asked by Lucas
3. 1,273 views
A certain roller coaster has a circular, vertical loop of radius 10 meters, such that at its top the riders are upside down. How
1. 1 answer
2. asked by pam
3. 1,258 views
A spherical balloon is being inflated at a rate of 10 cubic inches per second. How fast is the radius of the balloon increasing
1. 2 answers
2. asked by Anonymous
3. 1,250 views
1. The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6
1. 1 answer
2. asked by Tasha
3. 1,248 views
Determine the points of inflection of the function.f(x) = x + sin x (−2π ≤ x ≤ 2π)
1. 2 answers
2. asked by Anonymous
3. 1,195 views
can you prove this equation for me?sin2x X sec2x = 2sinx
1. 1 answer
2. asked by Alex
3. 1,155 views
Herman Company has three products in its ending inventory. Specific per unit data for each of the products are as follows:Produc
1. 1 answer
2. asked by Bobbi Loffredo
3. 1,153 views
Which of these statments describe NATO?1. NATO's preferred method for resolving conflict is through military defense. 2. NATO's
1. 1 answer
2. asked by Courtney
3. 1,146 views
how is the constitutional principle of federalism reflected in the formal amendment process?
1. 1 answer
2. asked by Ariel
3. 1,112 views
Calculation of )Hf0 for Mg2+(aq.)1. Assume the heat capacity of the final solution is 3.92 J K-1 g-1. Using the mass of the HCl
1. 1 answer
2. asked by Narash
3. 1,056 views
Mr.soto drew a design for a quilting pattern. The design is made up of 5 congruent isosceles trapezoids as shown below. What is
1. 2 answers
2. asked by Anonymous
3. 1,055 views
John parks cars at a hotel. On the average, 6.0 cars will arrive in an hour. A driver's decision on whether to let John park the
1. 0 answers
2. asked by Mich Mich
3. 1,054 views
Is it possible that waves can be turned into a sourse for energy and/or power ?
1. 2 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 1,050 views
What would be the risk od a young healthy person choosing a managed care plan,
1. 0 answers
2. asked by Pat
3. 1,048 views
Based on their molecular structure, why are these acids thes stronger of the two binary acids given?HCl stronger than HF HF
1. 2 answers
2. asked by redgy
3. 1,044 views
I have assignment i need help in Agency and partnership, cases how can i send it to you
1. 0 answers
2. asked by hiba
3. 1,039 views
I need help with this question still!!!Find the values for a, b, and c such that the graph of y= ax^2 + bx + c has a relative
1. 1 answer
2. asked by Kay
3. 1,035 views
A gas has a volume of 5.60 at 0. What final temperature in degrees Celsius is needed to cause the volume of the gas to change to
1. 0 answers
2. asked by Anonymous
3. 1,011 views
in cattle a dominant gene (N) results in a deep notch in each ear. a recessive gene (n) results in an "udder" abnormiality when
1. 1 answer
2. asked by Allison
3. 1,008 views
A block of mass m = 5 kg is attached to a spring (k = 28 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R =
1. 1 answer
2. asked by Anonymous
3. 1,007 views
The figure below (a) shows a sphere with a radius of r = 157 mm (density ñ = 1.24 g/cm³) suspended in water by a string. The
1. 1 answer
2. asked by Anonymous
3. 984 views
A deck of playing cards contains 52 cards, four of which are aces. What is the probability that the deal of a five-card hand
1. 2 answers
2. asked by Mich Mich
3. 968 views
Suppose that you can just barely see a certain star that is at a distance of 100 light years. How far away must a star that is 4
1. 1 answer
2. asked by anastasia
3. 959 views
A spray rig moving at 3 mph delivers 44 gallons per acre when the nozzles on the rig are 20 inches apart.a) Suppose the number
1. 0 answers
2. asked by penny
3. 903 views
A centrifuge takes 1 minute to turn through 20 complete revolutions before reaching it's final speed. What is the angular
1. 1 answer
2. asked by Mark
3. 890 views
Your investment adviser has sent you three analyst reports for a young, growing company named Vegas Chips, Incorporated. These
1. 1 answer
2. asked by don
3. 885 views
A boy in a car moving at 10 km/h [N] wants to throw a ball to a girl standing on the right-hand side of the road. He is able to
1. 1 answer
2. asked by Emily
3. 880 views
find p/q if (2q^2-pq):(q^2-pq) = 2:3.
1. 1 answer
2. asked by ivy
3. 870 views
This is for tomorrow and i'm in trouble with this puzzle, please help:ACROSS 9 letters and start with (au)the hint is groups of
1. 8 answers
2. asked by Elkin
3. 867 views
A skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at
1. 1 answer
2. asked by Otto
3. 862 views
What volume of 0.150 M Na_3PO_4 is required to precipitate all the lead(II) ions from 120.0 mL of 0.350 M Pb(NO_3)_2?
1. 1 answer
2. asked by Heather
3. 858 views
tell the dimensions and perimeters : 9 square inches
1. 3 answers
2. asked by savannah
3. 856 views
i told my boyfriend his eyes are cute and he asked me "what is so cute about his eyes?" And i cant find right words to say. plz
1. 2 answers
2. asked by alanaR.
3. 836 views
naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic
1. 1 answer
2. asked by Alaa
3. 830 views
Can you double check if I followed the directions correctly this time too and the answers were correct.Give the correct form of
1. 1 answer
2. asked by anon
3. 823 views
all test crosses are back cross but all back crosses are not test cross.i want to justify this statment.plssssssss
1. 1 answer
2. asked by sabu
3. 818 views
I NEED HELP analyzing this piece: diction, tone, type of sentence for each (simple, compound, complex, etc.?I need to do a style
1. 6 answers
2. asked by Jonathan
3. 811 views
Hypoventilation VS BradyapneaWhat's the difference b/t the two? Aren't they both decreased breathing rate?
1. 2 answers
2. asked by Lena
3. 806 views
A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game
1. 2 answers
2. asked by samantha
3. 805 views
1) Suzie (of mass 38 kg) is roller-blading down the sidewalk going 20 miles per hour. She notices a group of workers down the
1. 1 answer
2. asked by Becca
3. 804 views
Use Bernoulli's equation to estimate the upward force on an airplane's wing if the average flow speed of air is 195 m/s above
1. 1 answer
2. asked by renn
3. 800 views
Two electrostatic point charges of +30 ìC and +25 ìC exert a repulsive force of 200 N on each other. What is the distance
1. 0 answers
2. asked by K
3. 788 views
a skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at
1. 1 answer
2. asked by Otto
3. 781 views
A relational database for a real-world client what would be the example ?
1. 1 answer
2. asked by JJ
3. 780 views
A demonstration gyroscope consists of a uniform disk with a 39-cm radius, mounted at the midpoint of a light 56-cm axle. The
1. 2 answers
2. asked by HELP!!!!
3. 772 views
A local politician claims that 1 in 5 automobile accidents involve a teenage driver. He is advocating increasing the age at
1. 1 answer
2. asked by Elie
3. 770 views
you and 50 coworkers decide to play a game that consists of flipping a coin once for each coworker. If the flip coin for the
1. 1 answer
2. asked by leshonda
3. 751 views
U.S. Pharmaceutical of Korea*U.S. Pharmaceutical of Korea (USPK) was formed in 1969. Its one manufacturing plant is located just
1. 2 answers
2. asked by INB2
3. 740 views
what is all the properties to an equilateral triangle? and to a obtuse triangle?
1. 1 answer
2. asked by cindy
3. 736 views
Supplier A has old equipment that produces at the rate of 10,000 per hour. Supplier B has equipment that produces at the rate of
1. 1 answer
2. asked by Anonymous
3. 706 views
A force,F = (2x + 5y) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (2x +
1. 2 answers
2. asked by HELP!!!!
3. 700 views
List the types of potential segmenting dimensions, and explain which you could try to apply first, second and third in a
1. 1 answer
2. asked by ak
3. 699 views
Calculate the energy required to raise the temperature of 150.0 g Ag from 273 K to 291 K.
1. 0 answers
2. asked by AS
3. 697 views
lnX + ln2 = 3
1. 1 answer
2. asked by jenna
3. 696 views
During an earthquake, the ground surface ____.
1. 1 answer
2. asked by wilknjk
3. 693 views
I forgot to include the following sentences. Thank you very much for the help.I wonder if you could say "a post office in Oxford
1. 1 answer
2. asked by Mike
3. 684 views
A hollow steel tube, 4 m long, has walls 5 mm thick and is open at each end. if the outer diameter is 41 cm, what's the inner
1. 3 answers
2. asked by James
3. 679 views
Two cards are chosen from a standard deck of 52 playing cards without replacement. What is the probability both cards will be an
1. 1 answer
2. asked by maria
3. 666 views
50.0mL of 0.200M HCl diluted to 100.0 mL and titrated with 0.200M NaOH. what is total volume of solution(L) if volume of NaOH
1. 1 answer
2. asked by Anonymous
3. 656 views
The equilibrium constant for the reaction,SO2(g)+ NO2(g) <----> NO(g)+ SO3(g) has been experimentally determined as a function
1. 0 answers
2. asked by Josh
3. 654 views
A bicycle wheel travels about 82 inches in 1 full rotation. What is the diameter of the wheel, to the nearest inch?
1. 2 answers
2. asked by sherry
3. 639 views
A computer manufacturer is about to unveil a new, faster personal computer. The new machine clearly is faster, but initial tests
1. 0 answers
2. asked by Dj
3. 633 views
An open-topped cylindrical pot is to have volume 125 cm3. Determine the minimum possible amount of material used in making this
1. 1 answer
2. asked by Anonymous
3. 631 views
calculate the freezing and boiling points of each of the following solutions.(a) 0.50 m glucose in ethanol for the freezing
1. 0 answers
2. asked by hannah
3. 618 views
find g(1)+g(2)+g(3)+...+g(50) given that g(x)=13-5x
1. 1 answer
2. asked by Maria
3. 618 views
Why are there so many abandoned railway line in some states like Minnesota?
1. 2 answers
2. asked by Sara
3. 616 views
A solution consisting of 25.00 g Nh4Cl in 178 ml of water is titrated with 0.114M KOH.How many mL of KOH are required to reach
1. 1 answer
2. asked by Ashley
3. 616 views
How can you compare 2 fractions by using a number line?
1. 2 answers
2. asked by destiny
3. 616 views
a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt
1. 1 answer
2. asked by john
3. 605 views
If the length of one diagonal of a square is 4 feet, what is the length of the square's second diagonal?
1. 1 answer
2. asked by gary
3. 597 views
Calculate the pH of a solution prepared by mixing 150.mL of 0.174 molal aqueous HF (density=1.10g/mL) with 37.5 g of an aqueous
1. 0 answers
2. asked by does anyone get this???
3. 590 views
Can someone please help me find some information on this sculputre: A Young Woman of Trastévère, by Charles Cordier? I have to
1. 5 answers
2. asked by y912f
3. 589 views
solve first derivative of f(x)=-460+100Q-Q2 where Q=10
1. 5 answers
2. asked by Roni
3. 584 views
Can you please check these sentences for me? Thank you very much. It is really urgent!1) She was looking at the people sitting
1. 1 answer
2. asked by Mike
3. 584 views
How do I read the equation (function) y=-0.03x^2+0.14x+1.43?Do I have to complete the square to find the vertex, max., min.,
1. 1 answer
2. asked by joanieday
3. 582 views
A candy dish contains 10 red, 10 orange, and 10 black gumdrops. A second dish contains exactly the same assortment. If you
1. 2 answers
2. asked by john
3. 582 views
Can you please check these sentences, please? Thank you very much for your previous corrections!1) How can I get to school? Can
1. 1 answer
2. asked by Mike
3. 579 views

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