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2012
June

Questions Asked on June 17, 2012

A 0.25-kg block oscillates on the end of the spring with a spring constant of 200 N/m. If the oscillation is started by
1. 2 answers
2. asked by Huhu.
3. 8,106 views
A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown
1. 1 answer
2. asked by Mike Joseph
3. 5,505 views
How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?
1. 1 answer
2. asked by Kyla
3. 5,270 views
a gun is fired from a distance of 1.2 km from a hill.the echo of the sound is heard after 7.1 seconds at the same place.
1. 3 answers
2. asked by edward
3. 3,625 views
5. A circular pizza of radius R has a circular piece of radius R/3 removed from one side. The center of mass of the pizza with
1. 2 answers
2. asked by James
3. 2,463 views
an arrow is shot into air. its range is 200m and its time of flight is 5s . if g=10m/s2 ,then horizontl compoent of velocity and
1. 1 answer
2. asked by shilpa
3. 2,357 views
A biologist reports a confidence interval of (3, 2, 3, 8) when estimating the mean height in (in centimeters) of a sample of
1. 1 answer
2. asked by kathy
3. 1,862 views
Use these data to estimate Avogadro's number.Palladium crystallizes with a face-centered cubic structure. It has a density of
1. 1 answer
2. asked by Lauren
3. 1,853 views
Calculate the concentrations of all species in a 1.67 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
1. 4 answers
2. asked by Johnny
3. 1,774 views
what is the weight of a 3.0 kg object on the surface of the earth?
1. 4 answers
2. asked by Leo
3. 1,668 views
Aset P has a beta of 0.9. The risk-free rate of return is 8%, while the return on the S&P 500 is 14%. Asset P's required rate of
1. 1 answer
2. asked by Melissa
3. 1,648 views
to an observer the pitch of the stationary source of the sound appears to be reduced by 20% if speed of sound is 340m/s then
1. 1 answer
2. asked by ashu
3. 1,573 views
A square garden plot measures 180 square feet. A second square garden plotmeasures 405 square feet. How many more feet of fence
1. 1 answer
2. asked by Julie
3. 1,419 views
Find the temperature at which the velocity of sound in air is 1.25 times the velocity of sound at 0 degree centigrade.
1. 1 answer
2. asked by srikar
3. 1,243 views
Planet Jupiter revolves around the Sunin 12 years (3.79 X 10^8 sec. What is its mean distance from center of Sun? mass of sun is
1. 1 answer
2. asked by Christine
3. 1,243 views
Fair value determination of goodwill and calculating the premium paid over market value in a merger:Using fair value accounting
1. 1 answer
2. asked by Steven
3. 1,217 views
an object weighs 3 lb. at 10 earth radii from its center. What is the object's weight on the earth's surface?
1. 2 answers
2. asked by Leo
3. 1,169 views
Find the vector and scalar equations of the plane containing the line r=(3,5,1)+t(-2,3,1) and the point (1,2,3)
1. 1 answer
2. asked by Tom
3. 1,149 views
In the following experiment, a coffee-cup calorimeter containing 100 \rm mL of \rm H_2O is used. The initial temperature of the
1. 2 answers
2. asked by Ali
3. 1,126 views
Calculate the residence time of sodium in millions of years if the total amount of sodium in the oceans is 1.5 x 10 to the 22
1. 0 answers
2. asked by Dewayne
3. 1,125 views
How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?
1. 0 answers
2. asked by Kyla
3. 1,111 views
solve the equation, 2D + 3 = 13,12E - 3 = 0
1. 1 answer
2. asked by Linda
3. 1,104 views
translate these sentences-: 1 i am not free. 2 good bye i'll see you later. 3 hello how are you? 4 don't disturb me, let me
1. 3 answers
2. asked by edward
3. 1,052 views
A mass is stretched 4cm from equilibrium position of a spring. If the displacement is doubled, what can be concluded about the
1. 1 answer
2. asked by Christine
3. 1,039 views
Grocery, Inc., is a retail grocery store chain based in Any State, U.S.A. and has stores throughout the United States. Grocery,
1. 0 answers
2. asked by Cho Ramirez
3. 1,027 views
A 1400 kg car rounds a curve of 57 m banked at an angle of 14 degreeIf the car is traveling at 98 km/h, how much friction force
1. 1 answer
2. asked by Mike Joseph
3. 1,019 views
Let an angle in quad IV such that cos= 2/5 find exact value of csc and cot
1. 1 answer
2. asked by Anonymous
3. 969 views
Define a horizontal merger. How can a horizontal merger produce synergy benefits?
1. 1 answer
2. asked by Steven
3. 965 views
What is the maximum speed with which a 1150-kg car can round a turn of radius 71 m on a flat road if the coefficient of static
1. 1 answer
2. asked by Mike Joseph
3. 954 views
Is Wind Power Green?I am writing a paper and I need to put together an outline of my final paper. I would just like to know if
1. 7 answers
2. asked by BJ
3. 953 views
a boat travels 60 km due east. it then adjusts its course by 25 degrees northward and travels another 90 km in the new
1. 1 answer
2. asked by Anonymous
3. 935 views
Anyone can help me with these questions:1. BC Hydro charges $5.91 per kWh. How long does it take a 100 W light bulb to use up
1. 1 answer
2. asked by john
3. 935 views
If you know that the period of a pendulum is 1.87sec. What is the length of that pendulum? (gravity 9.81m/sec squared)
1. 1 answer
2. asked by Christine
3. 916 views
a source of sound id traveling towards a stationary observer .The frequency of sound is heard by the observer is 25% more that
1. 1 answer
2. asked by ashu
3. 911 views
75 is 5/2 of greg's age
1. 2 answers
2. asked by james
3. 906 views
Obtain the differential equation from the following:1. y=C(subscript 1)e^x+ C(subscript 2)xe^x 2. y=[C(subscript
1. 1 answer
2. asked by Jet
3. 905 views
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen:4KNO3(s)--> 2K2O(s) + 2N2(g)
1. 1 answer
2. asked by B
3. 897 views
Neon gas produced for use in luminous tubes comes packaged in 1.0-L containers at a pressure of 1.02 atm and a temperature of
1. 2 answers
2. asked by Jamie
3. 841 views
The product of two consecutive positive even numbers is 728. What are the numbers? (Enter solutions from smallest to largest.)an
1. 1 answer
2. asked by Urgen please help
3. 835 views
From a window in apartment building the angle of evaluation from the top of the flag pole across the street is 9 degrees. The
1. 2 answers
2. asked by Sarah smith
3. 792 views
Determine the work done by force f=[1,4] in newtons for an object moving along the vector d =[6,3]Okay i found the vector
1. 0 answers
2. asked by Sunny
3. 781 views
What are three characteristics of a good paragraph? THANK YOU
1. 3 answers
2. asked by Juanita
3. 777 views
Jupiter's gravitational field at the surface is approximately three times that of the earth. A person weighing 120 lb. on the
1. 1 answer
2. asked by Leo
3. 759 views
i want to learn this language. Please write some french sentences and also translate them into english. Please earlier, its very
1. 3 answers
2. asked by edward
3. 758 views
An air filled parallel plate capacitor initially has a capacitance of C = 4.57 nF.Then the air gap between the plates is filled
1. 0 answers
2. asked by Anonymous
3. 756 views
A student doing Young's experiment measures a distance of 6.0 cm between the first and seventh nodal points on a screen located
1. 1 answer
2. asked by Fernando
3. 736 views
10. A yo-yo is made by wrapping a 2-m long string around a 500-g 10-cm diameter uniform disk. The string is fastened to the
1. 2 answers
2. asked by James
3. 736 views
Ms. Sue I understand, but what the professor requested was the following:NOTE: In the “Sample: Outline,” it states that the
1. 4 answers
2. asked by BJ
3. 729 views
Hi Dr. Bob would you please tell me what D rpresents?Thank you! What is the reactant, products, and what compounds is it? Is it
1. 1 answer
2. asked by Anonymous
3. 696 views
Evaluate the expression.(9 ) (4 ) (4) 5 2 1
1. 0 answers
2. asked by Urgen please help
3. 694 views
a 3.00g sample of baking soda is heated and decomposes according to the reaction below. Calculate the theoretical yield in grams
1. 1 answer
2. asked by Chloe
3. 689 views
write the statement in symbols using the p and q given below. Then construct a truth table for the symbolic statement and select
1. 0 answers
2. asked by angela
3. 685 views
describe the mixture that resulted after mixing.
1. 3 answers
2. asked by christine mae
3. 673 views
complete these series,1,8,27,64,___,____
1. 1 answer
2. asked by don
3. 673 views
Will someone please help me? I had a question and i answered it, but i coudn't draw a picture for it. Can some help me draw a
1. 3 answers
2. asked by Anonymous
3. 666 views
I need help with these problems:11. The 2 captains of the school football team meet with the 3 captains of another team for the
1. 1 answer
2. asked by mysterychicken
3. 662 views
Writeacher, could you please check these sentences? Thank you.1) I'm forwarding you the link to the requirements for next year's
1. 1 answer
2. asked by John
3. 651 views
How many units were produced in APRIL?What is the length of the rod AB to the nearest quarter inch?
1. 1 answer
2. asked by naitx
3. 647 views
What are some hyperboles in this novel? What does the title mean?Wat is the theme? And worst of all what do I do for a "Wild
1. 2 answers
2. asked by IB student
3. 633 views
I would tell you the steps I've taken so far but I have no idea where to even start. Any help is appreciated! Thanks!A uniform
1. 1 answer
2. asked by Anna
3. 629 views
Using Coulomb's Law, calculate the force of repulsion between a positivecharge of 110 Coulombs and another positive charge of
1. 1 answer
2. asked by LL
3. 629 views
A 13.0 -kg box is released on a 33 degree incline and accelerates down the incline at 0.20 m/s^2What is the coefficient of
1. 1 answer
2. asked by Mike Joseph
3. 627 views
A student doing Young's experiment measures a distance of 6.0 cm between the first and seventh nodal points on a screen located
1. 1 answer
2. asked by David E.
3. 622 views
please translate these sentences into spanish-: 1.how are you? 2don't disturb me? 3.i want to drink something. 4.oh, i got it.
1. 2 answers
2. asked by edward
3. 617 views
y=cos3x(sin^3)x
1. 1 answer
2. asked by Raechel
3. 608 views
got 22 degrees celsius for the last answer from Damon. Another question is ......How much heat is needed to raise the
1. 3 answers
2. asked by tony
3. 607 views
A professor receives, on average, 8 emails from students on the day before an online quiz. If the distribution of the calls is
1. 1 answer
2. asked by Alexander
3. 604 views
When viewing Angel Falls (the world's highest waterfall) from Observation Platform A, located on thesame level as the bottom of
1. 1 answer
2. asked by Anonymous
3. 599 views
A shipwrecked mariner is stranded on a desert island. He seals a plea for rescue in a 1.00 liter bottle, corks it up, and throws
1. 1 answer
2. asked by Jamie
3. 596 views
what is the equilibrium temperature if 100 grams of water at 20 degrees celsius is added to 50 grams of water at 62 degrees
1. 1 answer
2. asked by tony
3. 593 views
1.A 4.5kg object is at rest on a table with state friction of 0.56 and kinetic friction of 0.46. A force is applied such that
1. 1 answer
2. asked by Need help
3. 592 views
Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules,and the heat of fusion of ice/water is 334 J/gram,
1. 1 answer
2. asked by LL
3. 590 views
Who is the artist of the Ngady Mwaash Mask (search on yah oo, then click images, it should be the 4th one) and the artist of the
1. 7 answers
2. asked by Anonymous
3. 589 views
Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were
1. 1 answer
2. asked by Kebo
3. 583 views
Hi everyone,I really need help with this problem. What is the reactant, products, and what compounds is it? Is it H2O, O2, or
1. 8 answers
2. asked by Anonymous
3. 575 views
in a hypothetical thermometer, the freezing point of water is marked as -10 and the boiling point is marked at 70. What would be
1. 2 answers
2. asked by tony
3. 572 views
Grocery, Inc. has a written contract with Cereal, Inc. to purchase 20 cases of cereal per month at $22 per case. The contract
1. 1 answer
2. asked by Cho Ramirez
3. 571 views
When stacking bags of dog food, the heaviest items should be placed at the bottom. Starting at the bottom, in what order should
1. 4 answers
2. asked by Faith
3. 550 views
Which of the following are considered secondary risk factors for cancer?a. excessive alcohol consumption b. exposure to
1. 1 answer
2. asked by Andy
3. 538 views
Suppose the modified quota is 9.27. Fill in the blanks, and round your answers to two decimal places.(a) Find the lower quota.
1. 0 answers
2. asked by Urgen please help
3. 533 views
Joanne Flynn bought a new boat for $16,200. She put a $2,800 down payment on it. The bank’s loan was for 50 months. Finance
1. 0 answers
2. asked by Riquetta Elliott
3. 527 views
If the ladder extends to a length of 158 inches, what is the height of the house rounded to the nearest hundredth of an inch?
1. 1 answer
2. asked by Sarah
3. 514 views
1) How much longer would it take for light to travel through 1.0 km of water than 1.0 km of air?What formula do you use? The
1. 1 answer
2. asked by anonymous
3. 504 views
Define winner's curse in the context of M & As. How can the buying company avoid the pitfalls of the winner's curse?
1. 0 answers
2. asked by Steven
3. 503 views
y=cos3x(sin^3)x
1. 1 answer
2. asked by Tom
3. 499 views
I need help doing this problem, should I not get the same answer with each technique? Please help.What three techniques can be
1. 1 answer
2. asked by Vilma
3. 499 views
Identify the effects of MDMA:a. can result in a heat stroke b. can cause dehydration c. increases heart rate and blood pressure
1. 1 answer
2. asked by Andy
3. 498 views
Two boxes, mass 4.0 kg and 5.0 kg are set next one another on a frictionless surface. The first box is pushed with a force of 35
1. 1 answer
2. asked by anonymous
3. 495 views
i thought you were a helping site please help i read my lessons but i just coulnd answer some questions. help please i need to
1. 4 answers
2. asked by Fred
3. 493 views
What concentration of aqueous NaOH solution freezes at negative 3.2 degrees celsius ?
1. 1 answer
2. asked by Mikayla
3. 491 views
(0.43 - 0.18) X 4 evaluate please show how its done
1. 2 answers
2. asked by Anonymous
3. 487 views
1. A 2.5kg rock is dropped from a 350m cliff. It hits the ground with a speed of 60 m/s. What percent of its mechanical energy
1. 1 answer
2. asked by lenny
3. 481 views
an object is observed to fall from bridge striking the water below 2.25s later with what velocity speed did it strike the water
1. 1 answer
2. asked by lora
3. 479 views
I asked this question before:if the force of 60 N is exerted on a 15 kg object, calculate the acceleration that the object
1. 2 answers
2. asked by Leo
3. 473 views
Can you please show me how to answer this question using C1V1=C2V2A scientist receives a vial containing a protein at at
1. 0 answers
2. asked by Mandy
3. 472 views
Even though it is almost summer we still have overcast skies and light rain. Please punctuate correctly?
1. 1 answer
2. asked by Anonymous
3. 470 views
11 - 8 ÷ (1/3 + 1/5) Please show work I am stuck. Thank you
1. 2 answers
2. asked by toni
3. 470 views
A cylindrical metal can with a radius of 4.25 cm is floating upright in water. A rock is placed in the can, causing it to sink
1. 1 answer
2. asked by Jamie
3. 467 views
The five PRIMARY risk factors for cancer are all controllable.False right? 2. Phytochemicals are considered: a. very dangerous
1. 1 answer
2. asked by Andy
3. 459 views
What is the minimum speed that a 5-kg conical pendulum can achieve if its 1 m string has a maximum tension rating of 520 N?A.
1. 1 answer
2. asked by Camilla
3. 449 views

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