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Questions Asked on December 19, 2010

An object weighing 325 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads
1. 3 answers
2. asked by kate
3. 11,999 views
A 10-kg piece of aluminum (which has a specific heat of 900 J/kg×°C) is warmed so that its temperature increases by 5.0 C°.
1. 1 answer
2. asked by JJ
3. 5,942 views
A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 90°F. What is its coefficient of
1. 3 answers
2. asked by Jesse
3. 5,003 views
A rectangular dog pen is to be constructed using a barn wall as one side and 60 meters of fencing for the other three sides.
1. 2 answers
2. asked by booyah
3. 4,803 views
A 0.003 0-kg lead bullet is traveling at a speed of 240 m/s when it embeds in a block of ice at 0°C. If all the heat generated
1. 2 answers
2. asked by Jesse
3. 3,523 views
A steel wire, 150 m long at 10°C, has a coefficient of linear expansion of 11 ´ 10-6/C°. Give its change in length as the
1. 2 answers
2. asked by Jesse
3. 3,292 views
A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and
1. 3 answers
2. asked by Jamal
3. 3,035 views
Carbon dioxide forms into a solid (dry ice) at approximately -157°F. What temperature in degrees Celsius does this correspond
1. 1 answer
2. asked by Jesse
3. 2,652 views
Four identical masses of 2.7 kg each are located at the corners of a square with 1.4 m sides. What is the net force on any one
1. 2 answers
2. asked by lissa
3. 2,543 views
An 800 N man stands on a scale in a motionless elevator. When the elevator begins to move, the scale reads 650 N. Find the
1. 3 answers
2. asked by Sam
3. 2,402 views
The sum of two numbers is 20. The difference of their squares is 120. What are the numbers?
1. 3 answers
2. asked by Anonymous
3. 2,180 views
A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine?
1. 1 answer
2. asked by JJ
3. 2,128 views
how was the establishment of the cabinet the most significant event in George Washington's presidency?
1. 1 answer
2. asked by Anonymous
3. 2,114 views
Finish times (to the nearest hour) for 59 dogsled teams are shown below. Draw a histogram. Use five classes.261 269 236 244 280
1. 2 answers
2. asked by Kim
3. 1,771 views
the pressure on 200 milliliters of a gas at constant temperature is changed from 50.65 kPa to 101.3 kPa. what is the new volume
1. 2 answers
2. asked by john
3. 1,756 views
A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it
1. 7 answers
2. asked by teal
3. 1,714 views
which has more inertia, a mouse or elephant?
1. 3 answers
2. asked by Tracey
3. 1,694 views
A tiny spring, with a spring constant of 1.20 N/m, will be stretched to what displacement by a 0.005 0-N force?
1. 1 answer
2. asked by Amanda
3. 1,555 views
a reduced fat cookie contains 3g of fat per serving. In order for food to be termed reduced fat it must have at least 20% less
1. 2 answers
2. asked by esther
3. 1,466 views
Sheila has a picture frame that measures 20 cm by 30 cm. If she puts a mat inside the frame that decrease the picture by
1. 1 answer
2. asked by math1
3. 1,444 views
In baseball, is there a linear correlation between batting average and home run percentage? Let x represent the batting average
1. 1 answer
2. asked by stephanie
3. 1,410 views
Find the slope, if it exists, of the line containing the pair of points(9,1) and (10,-7) The slope m = __ or the slop is
1. 3 answers
2. asked by Nancy
3. 1,383 views
A 70 kg man weighs 686 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 14% of his
1. 3 answers
2. asked by lissa
3. 1,361 views
Determine the basis of stock in the hands of the shareholder in each of the following instances. Assume that the 80% rule is met
1. 0 answers
2. asked by Julie
3. 1,259 views
Many conscience whigs and others believed that the annexation of texas and the mexican war itself were part of a conspiracy by
1. 1 answer
2. asked by Anonymous
3. 1,237 views
Explain each of the following:(a)Roosevelt Corollary (b)Dollar diplomacy (c)Moral diplomacy
1. 1 answer
2. asked by Teonia
3. 1,148 views
PermutationFor a segment of a radio, a disc jockey can play 7 songs. If there are 13 songs to select from, in how many ways can
1. 0 answers
2. asked by Janet
3. 1,123 views
Question:• If each gender has an advantage based on its brain pattern, how can social scientists say that these differences
1. 2 answers
2. asked by Samantha
3. 1,117 views
I removed your two posts containing a lengthy assignment that appears to be a semester project. If you're posting to be sure
1. 1 answer
2. asked by Ms. Sue
3. 1,115 views
Use a simple area formula from geometry to find the area under function A(x) that gives the area under the function f(x) = 9 on
1. 2 answers
2. asked by Raj
3. 1,111 views
A woman wants to measure the height of a nearby tower. She places a pole in the shadow of the tower so that the shadow of the
1. 2 answers
2. asked by Chloe
3. 1,055 views
Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1000 kg.what
1. 1 answer
2. asked by Jessica
3. 1,041 views
1. A central premise of james madison in Nos. 47, 48, and 51 of the federalist is that:a. weak government is the best government
1. 0 answers
2. asked by Amy
3. 1,038 views
Please check my answers!1. A central premise of james madison in Nos. 47, 48, and 51 of the federalist is that: a. weak
1. 2 answers
2. asked by Amy
3. 1,024 views
to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white
1. 1 answer
2. asked by peter
3. 996 views
120 students were surveyed about their food preferences. 62 liked pizza,75 liked burgers and 48 liked tacos. 15 liked all three.
1. 0 answers
2. asked by Gary
3. 984 views
can someone explain and answer this equation for me. 7y - 6 < 6y -1 Thanks
1. 2 answers
2. asked by robbie
3. 982 views
If a 1000-kg car was moving at 30 m/s, what would be its kinetic energy expressed in the unusual (for kinetic energy) units of
1. 0 answers
2. asked by JJ
3. 974 views
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t)=8t3 ;s(0) = 5.
1. 4 answers
2. asked by Elisa
3. 973 views
evaluate algebraically for exact values:10^(x+3) = 100
1. 1 answer
2. asked by mo
3. 968 views
Two children sit 2.60 m apart on a very low-mass horizontal seesaw with a movable fulcrum. The child on the left has a mass of
1. 3 answers
2. asked by starry
3. 958 views
. Use the Internet to research how ethnicity affected the lives of these prominent figures in ONE of these ethnic minority
1. 2 answers
2. asked by Samantha
3. 956 views
A particle is moving so that its velocity, v(t) = t-64/t^2 for 2≤t≤6. find the total distance traveled by the particle.
1. 4 answers
2. asked by Elisa
3. 914 views
a person cleared a rectangular plot of land and covered it with gravel. then he got 8 square wooden sections of side lengths:
1. 0 answers
2. asked by john
3. 905 views
Given the position function s = 4t^3 − 24t^2 + 6t + 6.find s and v when a = 0 (Where v is the velocity and a is the
1. 2 answers
2. asked by Geoff
3. 894 views
Hello. I will appreciate it if a native speaker of English will help me with several questions.1)is the article used in the
1. 1 answer
2. asked by Ilma
3. 850 views
Evaluate∫ [(5+x)^2]/√x
1. 3 answers
2. asked by Geoff
3. 838 views
Please help me to solve this problem aboutelectic potential : An electric car accelerates for 7.0 s by drawing energy from its
1. 2 answers
2. asked by Me
3. 833 views
Terence is looking for two numbers. If he multiplies the first number by three and adds one, he gets the second number. However,
1. 1 answer
2. asked by Anonymous
3. 821 views
the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.
1. 1 answer
2. asked by jane
3. 818 views
a fair dice is tossed 100 times. use equation 5.20 to bound the probability that the total number of spots is between 300 and
1. 0 answers
2. asked by alvina
3. 815 views
I'm trying to right a program with Multidimensional Arrays.These are the instructions for the program: The Valley Boulevard (VB)
1. 3 answers
2. asked by Dylan
3. 809 views
what would happen to the relationship of canada and united states if quebec separates?
1. 7 answers
2. asked by Anonymous
3. 804 views
A 2.00-kg block of ice is at STP (0°C, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf =
1. 0 answers
2. asked by JJ
3. 800 views
the dean of a college is interested in the proportions of graduates from his college who have a job offer on graduation day
1. 1 answer
2. asked by Anonymous
3. 775 views
I'm having a hard time with question, can someone help me?A random sample of medical files is used to estimate the proportion p
1. 1 answer
2. asked by Kim
3. 752 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal andvertical
1. 1 answer
2. asked by josh
3. 700 views
I was asked to compare and contrast two authors writing styles and their use of dramatic devices. But isn't the use of dramatic
1. 3 answers
2. asked by Lynn
3. 691 views
A puddle holds 150 g of water. If 0.50 g of water evaporates from the surface, what is the approximate temperature change of the
1. 1 answer
2. asked by JJ
3. 688 views
A windowpane is half a centimeter thick and has an area of 1.0 m2. The temperature difference between the inside and outside
1. 0 answers
2. asked by Jesse
3. 685 views
Can you please check these questions, too? Thank you.1) Answer four of the following six questions. For each question write ten
1. 1 answer
2. asked by Franco
3. 676 views
Use a factor tree to write 1575 as a product of prime factors. Youshould display your factor tree in your answer.
1. 2 answers
2. asked by Beth
3. 656 views
Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling
1. 1 answer
2. asked by Nancy
3. 646 views
A 70 kg man weighs 686 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 14% of his
1. 4 answers
2. asked by melissa
3. 644 views
prove thatd/dx 4x .√(x + √x) = 6x+5 (x)1/2/√(x + √x) solution is d/dx 4x.[x+(x)1/2]1/2 = d/dx 4x.[x+(x)^1/2]^1/2 d/dx
1. 1 answer
2. asked by pinki
3. 640 views
Can you check the following sentences for me, please? Thank you.1) Introduce the English Renaissance focusing your attention on
1. 1 answer
2. asked by Franco
3. 636 views
a body is projected at an angle with the horizontal with an initial of 500 m/s. 4 seconds later it hits the ground. find theta
1. 1 answer
2. asked by Elise
3. 630 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. 0 answers
2. asked by Ronnie
3. 626 views
what is the average power developed by a motor lifting 400kg at constant speed through 10m at 8 secs?
1. 2 answers
2. asked by julie
3. 622 views
.Several states have passed legislation abolishing many policies associated with Affirmative Action. What is your opinion
1. 1 answer
2. asked by Samantha
3. 611 views
Four identical masses of 2.7 kg each are located at the corners of a square with 1.4 m sides. What is the net force on any one
1. 0 answers
2. asked by melissa
3. 591 views
A sale at a electronic store offers 20% off a sony radio. If the sale price of the radio is $45, what is the regular price?
1. 4 answers
2. asked by Lynne
3. 586 views
culture includes the unique stories, ceremonies, and corporate rituals that make up the history of the firm or a group within
1. 3 answers
2. asked by Anonymous
3. 583 views
A ball is thrown with a speed of 20 m/sec at an angle of 60 degrees below the horizontal from a bridge whisch is 30 m above the
1. 1 answer
2. asked by Elise
3. 582 views
Two brothers are jogging, Josh and Drake. Josh has 1/2 the KE of Drake. Also, he is twice the mass of Drake. Plus, Josh had to
1. 1 answer
2. asked by Bob
3. 581 views
Posted by rfvv on Saturday, December 18, 2010 at 7:22am.A: Lunch is on me. B: _______________. (What are suitable expressions in
1. 1 answer
2. asked by rfvv
3. 579 views
Harvard Group Case AnalysisForeign Exchange Hedging Strategies at General Motors: Transactional and Translational Exposures
1. 2 answers
2. asked by ali
3. 578 views
A particle moves along the s-axis. Use the given information to find the position of the particle. v(t) = 8t3;s(0) = 5.
1. 1 answer
2. asked by Elisa
3. 576 views
You are the physics expert for a professional stuntman. The stunt you have designed includes a ramp that is angled at 30°. You
1. 1 answer
2. asked by George
3. 571 views
What was the point of science fiction in Kurt Vonnegut's Slaughterhouse FiveHow do those elements of science fiction add to the
1. 1 answer
2. asked by Michael
3. 567 views
Can someone help me get started on this problem?A launcher fires a projectile with a velocity of 6.31m/s. Determine the
1. 2 answers
2. asked by George
3. 562 views
A car of mass 1979 kg drives over a semicircular hilltop of radius 12.6 m and through a semicircular valley of radius 17.2 m
1. 1 answer
2. asked by Tom
3. 561 views
How did the United States extend its interests in Asia and the Pacific?
1. 1 answer
2. asked by Teonia
3. 556 views
Posted by rfvv on Thursday, December 16, 2010 at 2:39am.1. We need to prepare food in order to take a party. 2. We need to
1. 2 answers
2. asked by rfvv
3. 543 views
what are some cause of industrial revolution.what are some positive and negative impact?
1. 1 answer
2. asked by 000
3. 542 views
Can you please check the followwing statements on health please? Thank you.1) I've got a temperature. I think you should take
1. 2 answers
2. asked by Franco
3. 542 views
Is there racism in Hemingway's Indian Camp? How is it portrayed?It's for an essay I'm writing. I'm unsure of how the different
1. 1 answer
2. asked by Anonymous
3. 535 views
If a bomber travels horizontally at a speed of 250 km/hr and at a height of 5000 m how far away (measured horizontally) from the
1. 1 answer
2. asked by Elise
3. 535 views
1. What is Madison's view on the inherent power potentials of the legislative, executive, and judicial branches?2. Why is the
1. 1 answer
2. asked by Amy
3. 534 views
describe events in Hungary in October and November 1956.why did Warsaw Pact forces invade Czechoslovakia in 1968? how far were
1. 1 answer
2. asked by history
3. 528 views
Suppose you earn $7 per hour The number of hours you work (input) determines your pay (output) i need the inputs and outputs
1. 1 answer
2. asked by Tiffany
3. 528 views
14. Total plasma volume is important in determining the required plasma component in blood replacement theory for a person
1. 0 answers
2. asked by Anonymous
3. 526 views
Please help me to solve this problem aboutelectic potential : An electric car accelerates for 7.0 s by drawing energy from its
1. 1 answer
2. asked by Me
3. 522 views
find domain of f(x) = 15/sqrt(x+6)
1. 2 answers
2. asked by mo
3. 517 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal andvertical
1. 3 answers
2. asked by Dan
3. 515 views
I am having difficulties solving this problem. It is part of a review for a Square Roots test for tomorrow. Here is the
1. 1 answer
2. asked by Nicole
3. 515 views
a ladder is resting against a wall. the top of the ladder touches the wall at a height of 12 feet. Find the distance from the
1. 1 answer
2. asked by math1
3. 512 views
A super-hero is leaping from the roof of one building onto another. The first building is 120 meters high and the second
1. 1 answer
2. asked by George
3. 508 views
Where does Thailand stand on Torture?I know that they torture Muslims, but does the government deny this? Do they have any
1. 1 answer
2. asked by Sam
3. 482 views
Kate has 35 grams of xenon gas in a 15 liter tank at 11 degrees celsius and 250 atmospheres. If she heats the gas in the tank up
1. 1 answer
2. asked by JJ
3. 475 views

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