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Questions Asked on December 20, 2010

A 2.00-kg block of ice is at STP (0¢XC, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf
1. 6 answers
2. asked by Shawn
3. 2,989 views
Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.50 µC is at y = 6.30 m, and a charge of q2 =
1. 1 answer
2. asked by Ed
3. 2,522 views
In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be
1. 2 answers
2. asked by jessica
3. 2,382 views
An empty rubber balloon has a mass of 0.0100 kg. The balloon is filled with helium at a density of 0.181 kg/m3. At this density
1. 3 answers
2. asked by april
3. 2,333 views
The average age of a vehicle registered in the U.S. is 8 years, or 96 months. If a random sample of 36 vehicles is selected,
1. 1 answer
2. asked by Jana
3. 2,208 views
determine whether each conjecture is true or false. Give a counterexample for any false conjectureGiven: Points A and B are
1. 1 answer
2. asked by Cee
3. 1,679 views
A young male adult takes in about 4.0 10-4 m3 of fresh air during a normal breath. Fresh air contains approximately 21% oxygen.
1. 1 answer
2. asked by Cheyenne
3. 1,657 views
The price of a jacket is $48. If the sales tax rate is 5.5%, what is the amount of tax? What is the total cost of the jacket?
1. 3 answers
2. asked by Michael
3. 1,586 views
Calcium chloride, CaCl2, has been used to melt ice from roadways. Given that a solution is 25% CaCl2 by mass, estimate the
1. 2 answers
2. asked by Akkam
3. 1,583 views
A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.00 m/s collides head-on with a 0.740 kg ball at rest. If
1. 2 answers
2. asked by Brittany
3. 1,395 views
Two parallel lines are cut by a transversal. Angles M and P are alternate interior angles. Angle M measures (10x + 50)° and
1. 3 answers
2. asked by Marquise
3. 1,388 views
What is the radius of a circle whose area is 616 square units?
1. 3 answers
2. asked by Anonymous
3. 1,336 views
A light spring of constant k = 170 N/m rests vertically on the bottom of a large beaker of water. A 5.70 kg block of wood
1. 0 answers
2. asked by julie
3. 1,227 views
Two sinusoidal waves of the same frequency travel in the same direction along a string. If ym1 = 4.2 cm, ym2 = 5.9 cm, ö1 = 0,
1. 0 answers
2. asked by mounir
3. 1,184 views
If the equilibrium price of an hour with a personal trainer is $45 and the market price is currently $55, then there is:A. a
1. 2 answers
2. asked by tony
3. 1,130 views
What is the power output of an engine the does 60,000J of work in 10s?
1. 1 answer
2. asked by Alina
3. 1,128 views
A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of
1. 0 answers
2. asked by Shawn
3. 1,114 views
If the standard deviation of a population is 56 and we want the standard error (the standard deviation of the sample mean) to be
1. 2 answers
2. asked by Jana
3. 1,079 views
Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator.However, when I went to
1. 4 answers
2. asked by Suzanne
3. 1,008 views
amy gets 1 hour for lunch at her job. Today she used 1/4 hour to eat and 2/5 hour to run an errand. She spent the rest of her
1. 1 answer
2. asked by Karli
3. 1,001 views
Add or subtract2/x^2+1/x 2/x+3/2x-3/5x 7/x^2+5/x help me step by step
1. 1 answer
2. asked by Anonymous
3. 999 views
Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution
1. 0 answers
2. asked by kenya
3. 996 views
I am having a difficult time finding enough information on what specific offenses would preclude teacher candidates from
1. 2 answers
2. asked by Sam
3. 975 views
On a banked race track, the smallest circular path on which cars can move has a radius r1 = 106 m, while the largest has a
1. 0 answers
2. asked by jessica
3. 973 views
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground.
1. 2 answers
2. asked by marco
3. 973 views
Please help me. acc225 Internal controlrecommendations •Complete Exercise 8-1 What internal control procedures would you
1. 1 answer
2. asked by carmen
3. 861 views
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 1.30 104 s. What is the
1. 1 answer
2. asked by jessica
3. 861 views
Points A and B are 150 m apart on one bank of a river. Point C is on the other bank of the river. The line of sight distance
1. 1 answer
2. asked by Ansley
3. 842 views
"The Fed should simply increase the money supply at the same rate that the full employment economy grows, and the government
1. 1 answer
2. asked by tom
3. 832 views
a 8 kg ball is thrown upward with an initial speed of 20 m/s. suppose there is a constant air resistance of 30N opposing the
1. 1 answer
2. asked by sacrifice
3. 824 views
what is the KE of a 6 kg mass at 4 m/s
1. 1 answer
2. asked by Anonymous
3. 809 views
Draw a vertical line through a normal distribution for each of the following z- score locations. Determine whether the body is
1. 1 answer
2. asked by Anonymous
3. 805 views
Please help me.Internal controlrecommendations What internal control procedures would you recommend in each of the following
1. 1 answer
2. asked by carmen
3. 802 views
The surface of the sun has a temperature of about 6.0 103 K. This hot gas contains hydrogen atoms (m = 1.67 10-27 kg). Find the
1. 1 answer
2. asked by Kieran
3. 801 views
Please, what is the balanced equation for Potassium Bitartrate and Sodium Bicarbonate? Is there any easy way to remove the
1. 1 answer
2. asked by Doc
3. 800 views
A basketbal team makes 65% of its baskets from the field. How many attempts would it take the team to make 26baskets?
1. 1 answer
2. asked by Zabrieya Easley
3. 799 views
Find x* on [0, 2] such that f(x*) equals the average value of f(x) = 5x + 9 over [0, 2].
1. 1 answer
2. asked by Carla
3. 784 views
Invest $23,000 in a savings account at 4.25% interest compounded quarterly.Invest into an ordinary annuity where $5,000 is
1. 3 answers
2. asked by Diane
3. 769 views
question: what are your thoughts onthe idea that television has turned out to isolate people instead of bringing them together.m
1. 6 answers
2. asked by mahwish
3. 760 views
a satellite orbits the earth at an altitude of 5000 m above the surface of the earth. Assuming that acceleration due to gravity
1. 1 answer
2. asked by Elise
3. 750 views
Two polygons are congruent and the perimeter of the first polygon is 38 cm. If the sides of the second polygon are consecutive
1. 1 answer
2. asked by Anonymous
3. 748 views
a race car travels along a raceway at a constant velocity of 200 km per hour.what horizontal force acts and what is the net
1. 1 answer
2. asked by Anonymous
3. 725 views
an arctic flying to antarctica encounters a storm. The term changes direction to fly around the storn. if the tern flies 46 km
1. 2 answers
2. asked by mike
3. 725 views
A jet (m = 4.00 105 kg), flying at 139 m/s, banks to make a horizontal circular turn. The radius of the turn is 3810 m.
1. 1 answer
2. asked by jessica
3. 710 views
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground.
1. 5 answers
2. asked by marco
3. 689 views
A roller-coaster car speeds down a hill past point A where R1 = 9.8 m and then rolls up a hill past point B where R2 = 15.8 m
1. 0 answers
2. asked by Tori
3. 688 views
A solution is made up by dissolving 14.8 g Na2CO3 · 10 H2O in 110.5 g of water. What is the molality of Na2CO3 in this
1. 2 answers
2. asked by Jintau
3. 681 views
A solid disk pulley of mass 2.00 kg and a radius of 30.0 cm is rotated by a block mass of 0.500 kg falling from rest, a distance
1. 2 answers
2. asked by George
3. 680 views
Given f (x) = √(7 + x) + 4 . Use the rectangle method to approximate the area on the interval [0, 8] using 4rectangles.
1. 1 answer
2. asked by Carla
3. 675 views
If radius = 1.25 when i am swinging a bucket around and around what is the slowest possible speed i can go without it spilling?
1. 1 answer
2. asked by Elise
3. 658 views
I need help on my assignment that is due by 12midnight. It is now 8:12pm here. It is on Risk Assignment: Risk AssessmentYou are
1. 13 answers
2. asked by Sharon
3. 655 views
The temporary owners equity are closed because they apply to only one accounting period?
1. 2 answers
2. asked by Anonymous
3. 650 views
Both H2O and CO2 have 3 atoms, yet one is polar and one is nonpolar. Explain why, using Lewis dot structures in your answer
1. 1 answer
2. asked by ashley
3. 637 views
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is
1. 1 answer
2. asked by Thao
3. 633 views
Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs
1. 2 answers
2. asked by sophia
3. 627 views
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.80 104 m/s, and the radius of the
1. 1 answer
2. asked by jessica
3. 616 views
1. For what value(s) of x is f(x) = (x-1) / (x^2 - 1) discontinuous?2.) f(x) = (1)/(x^2) is continuous for all real numbers
1. 1 answer
2. asked by Maya
3. 590 views
The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036 mole fraction O2 and 0.058
1. 1 answer
2. asked by Nagaa
3. 573 views
Market research has shown that at a price of $230, 100 number of plasma TV’s are sold and if the price is reduced to $190,
1. 1 answer
2. asked by Crystal
3. 569 views
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The
1. 0 answers
2. asked by dipset
3. 548 views
As you enter your Grandma Thorndike's house you ears being to hurt as you notice she is once again playing her favorite "Contry
1. 1 answer
2. asked by Anna
3. 546 views
The displacement vector for a 15.0 second interval of a jet airplane's flight is (3150, −2430) m. (a) What is the magnitude of
1. 1 answer
2. asked by calantha
3. 541 views
8. If x grams of S are needed to obtain 0.4 grams of SO3, how many grams of SO2 can be obtained from the same amount of S?(A)
1. 2 answers
2. asked by Anna
3. 538 views
"Mi abuela está en el hospital.""Qué lástima! ____" a. No vale la pena. b. ¿Qué te duele? c. No lo sabía. d. ¿Qué
1. 3 answers
2. asked by Lily
3. 536 views
Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the Mean-Value Theorem over the interval [-2, 3]and find all
1. 1 answer
2. asked by Carla
3. 534 views
"Doctor Pérez, me duele mucho la pierna. ¡Ay!""Miguel, ¿te duele _____ ?" a. la derecha o la izquierda b. el derecho o el
1. 5 answers
2. asked by Lily
3. 532 views
i have an equation; x^2+3x-18=0. i am given one of the roots, of which is 3, but how do i find the other root.
1. 2 answers
2. asked by isaiah
3. 531 views
A particle with a charge 7C and a mass of 20kg is traveling in a circular path around a fixed particle of charde -5C. The
1. 0 answers
2. asked by dipset
3. 525 views
Due Day 7 – Pay Raise Exercise – Post to Assignments link as Word.doc attachmentComplete the exercise 10.2 “The Pay
1. 6 answers
2. asked by Ralo
3. 522 views
nlim(n→+∞)⁡ ∑ (3/4)^k = k=1 the n is supposed to be above the sigma sign and the k=1 is supposed to be below the sigma
1. 2 answers
2. asked by Raj
3. 515 views
Sam tosses a ball horizontally off a footbridge at 3.2 m/s. How much time passes after he releases it until its speed doubles?
1. 2 answers
2. asked by dan
3. 514 views
I need help with this
1. 1 answer
2. asked by carol
3. 511 views
how can i fine the volume of 17cm 13cm 10cm
1. 2 answers
2. asked by alex
3. 506 views
Suppose the legislature of Pennsylvania adopts a new law. This type of law is called a/an A. bill. B. code. C. statute. D.
1. 1 answer
2. asked by Benn
3. 498 views
Your friend has climbed a tree to a height of 6.00 m. You throw a ball vertically up to her and it is traveling at 5.00 m/s when
1. 2 answers
2. asked by sabeen
3. 485 views
Evaluate2 ∫ |x+1| -3
1. 1 answer
2. asked by Carla
3. 484 views
A 8kg ball is thrown up with an initial speed of 20m/s. Suppose there is a constant air resistence of 30N opposing the motion
1. 6 answers
2. asked by dipset
3. 480 views
What mass of water, in grams, would have to be decomposed to produce 28.7 L of molecular oxygen at STP?
1. 2 answers
2. asked by Lisa
3. 479 views
Can you check these sentences for me, please? Thank you.1) I had a terrible pain in my tooth. I went to the dentist and he told
1. 1 answer
2. asked by Franco
3. 478 views
A 2kg ball attached to the ceilling with a string is released and swings back and forth. Assume there is no air resistance. At
1. 1 answer
2. asked by karen
3. 473 views
Given that electricity is priced at constant 13.5 pence per kWh and central heating oil (kerosine) varies in price between 39
1. 0 answers
2. asked by Mike
3. 468 views
If a stone is tossed from the top of a 250 meter building, the height of the stone as a function of time is given by h(t) =
1. 2 answers
2. asked by max
3. 465 views
The kilogram snowboarder stands at the top of a slope that rises 27.14 meters above the valley floor. After sliding down the
1. 0 answers
2. asked by Vanessa
3. 461 views
the period of revolution of a satellite is 90 min. Find the radius of the orbit assuming an acceleration of 9.8 m/s/s.
1. 1 answer
2. asked by Elise
3. 457 views
how to write "socks of wool" - calcetines de lana OR calcetines de lanas?
1. 1 answer
2. asked by Amy
3. 453 views
A solid sphere at rest at the top 12.0 m inclined plane rolls down the incline. How high vertically does it rise of the other
1. 2 answers
2. asked by George
3. 447 views
A 15 kg concrete block fell from a height of 20 meters and hits the ground below. If all of its original potential energy (PE)
1. 1 answer
2. asked by Gloria
3. 444 views
How and why did Eisenhower use the politics of consensus with Congress to achieve compromise
1. 1 answer
2. asked by Ann
3. 427 views
umm i need help...which equation would i use to solve the probnlem and how do i go about finding the answer?Here it is: Sam
1. 1 answer
2. asked by tj
3. 427 views
ABC Health Care’s insufficient record-tracking system has created a backlog of incomplete medical records.
1. 2 answers
2. asked by Shala
3. 425 views
make a conjecture (obsevations based on patterns) for each sequence below.a)7,10,13,16 b)4,44,444,4444,44444 c)2,10,50,250
1. 2 answers
2. asked by Dan
3. 418 views
anyone else know how to go about solving this complicated problem?Your friend has climbed a tree to a height of 6.00 m. You
1. 2 answers
2. asked by sabeen
3. 415 views
a person cleared a rectangular plot of land and covered it with gravel. then he got 9 square wooden sections of side lengths:
1. 0 answers
2. asked by John
3. 408 views
A juggler throws a ball from height of 0.950 m with a vertical velocity of +4.25 m/s and misses it on the way down. What is its
1. 1 answer
2. asked by sabeen
3. 400 views
Summerize the 4 stages of tranformational learning cycle
1. 0 answers
2. asked by menasha
3. 399 views
You made a bank deposit in UK sterling that matures next December. The interest rate was 10% while home rates are only 4%. You
1. 0 answers
2. asked by Michelle
3. 398 views
What is the risk and return on stocks, bonds, and mutual funds?Thanks
1. 1 answer
2. asked by Sarah
3. 394 views
Find the average value of f(x) = x^3 + 3 for 0 ≤ x ≤ 2 and find all values of x* described in the Mean ValueTheorem for
1. 0 answers
2. asked by Carla
3. 392 views
if several values equal to the mean of the distribution, are added to the distribution what will happen to the range?
1. 1 answer
2. asked by Anonymous
3. 385 views
How many terms are in this sum?5x - 6a + 8
1. 1 answer
2. asked by Andrew-3
3. 380 views

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