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Questions Asked on December 9, 2009

A 55 kg ice skater is at rest on a flat skating rink. A 198 N horizontal forceis needed to set the skater in motion.However,
1. 5 answers
2. asked by Melissa
3. 10,601 views
A softball of mass 0.220 kg that is moving with a speed of 6.5 m/s (in the positive direction) collides head-on and elastically
1. 2 answers
2. asked by Shane
3. 6,770 views
A golf ball of mass 0.045 kg is hit off the tee at a speed of 48 m/s. The golf club was in contact with the ball for 5.4 10-3 s.
1. 2 answers
2. asked by Anonymous
3. 5,926 views
a.the gravitational force between 2 electrons 1.00m apart is 5.42x10^-71 N. Find the mass of an electron.b.2 spherical balls are
1. 2 answers
2. asked by Anonymous
3. 4,949 views
What bias did the FOunding Fathers demonstrate in their procedure for electing senators?
1. 2 answers
2. asked by Ashley
3. 3,472 views
This Christmas,your brother Jack will be 2 years from being twice as old as your sister Jen.The sum of Jack's age and three
1. 1 answer
2. asked by Annia
3. 2,925 views
Given: latent heat of fusion of water 3.33x10^5 J/kg. A 147 g cube of ice at 0 degress C is dropped into 1.3 kg of water that
1. 2 answers
2. asked by Ericka
3. 2,776 views
which of the sentences given below means approximately the same as:"beauty is only skin deep"?a )some actresses are made up by
1. 2 answers
2. asked by melissa
3. 2,724 views
The graph in Figure 10-22 shows the force and displacement of an object being pulled.Figure 10-22 (a) Calculate the work done to
1. 4 answers
2. asked by Manny Aragon
3. 2,622 views
A football is kicked at 45 degrees and travels 82 meters before hitting the ground.A) What was its initial velocity? B) How long
1. 1 answer
2. asked by Jordan
3. 2,515 views
A sealed tank containing seawater to a height of 11.0 m also contains air above the water at a gauge pressure of 3.00 atm. Water
1. 1 answer
2. asked by Sarah
3. 2,409 views
Erika spent 5/6 hr. on her computer visiting the history and the discovery channel websites. she spent 12 minutes at the history
1. 1 answer
2. asked by Rmz
3. 2,389 views
1. Which one of the following frequencies of a wave in the air can be heard as an audible sound by the human ear?A. 0.10 Hz B.
1. 4 answers
2. asked by Ari
3. 2,271 views
A child in a boat throws a 5.60 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat
1. 2 answers
2. asked by DJ
3. 2,132 views
Find the point on the line 6x + y = 9 that is closest to the point (-3,1).Solution: We need to minimize the function d = sqrt((x
1. 1 answer
2. asked by Manny
3. 1,923 views
Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and
1. 3 answers
2. asked by ami
3. 1,839 views
While in Europe, if you drive 115 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per
1. 1 answer
2. asked by melissa
3. 1,731 views
A land developer wants to develop 20 acers of land. Each lot in the development is to be 4/5 of an acer. How many lots will the
1. 6 answers
2. asked by Rmz
3. 1,697 views
a bomb is dropped drom an airplane at an altitude of 14,400 feet how long would it take to reach the ground? (because the motion
1. 1 answer
2. asked by Nancy
3. 1,683 views
(Absolute and Comparative Advantage) You have been given the following information concerning the production of wheat and cloth
1. 3 answers
2. asked by Onessa
3. 1,638 views
Which one of the following frequency can set the string into resonant vibration?If a guitar string has a fundamental frequency
1. 4 answers
2. asked by Joanna
3. 1,592 views
if 3.85 L of carbon monoxide was collected over water at 25 degrees celsius and 689 mmHg how many grams of formic acid were
1. 2 answers
2. asked by j
3. 1,570 views
Im doing an essay on the lack of redemption shown in the novel No country for old men.I needs 1000-1200 words and i got about 7
1. 1 answer
2. asked by Pengu
3. 1,521 views
A satellite orbits around the earth. The mass of the satellite is 1170 kg, and its altitude is 220 km. The mass of the earth is
1. 2 answers
2. asked by ami
3. 1,450 views
Kyle wishes to fly to a point 450 km due south in 3 hours. A wind is blowing from the west at 50 km/hr. Compute the proper
1. 1 answer
2. asked by Jordan
3. 1,395 views
the ratios of the ares of two similar triangles is 4 : 9. What is the ratio of their altitudes drawn from corresponding sides?
1. 3 answers
2. asked by John. F
3. 1,326 views
A car is driven at a constant speed of 76 km/h down a road. The car's engine delivers 48 kW of power. Calculate the average
1. 2 answers
2. asked by Manny Aragon
3. 1,315 views
Any help on this I have to go to bed!!!!Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A
1. 2 answers
2. asked by Eryns
3. 1,226 views
discuss the title of "The Metamorphosis" and its meaning for the events of the story...how would i go about doing this?...
1. 2 answers
2. asked by Anonymous
3. 1,222 views
A block of ice at 0°C whose mass initially is m = 12.5 kg slides along a horizontal surface, starting at a speed vo = 4.10 m/s
1. 1 answer
2. asked by AK
3. 1,199 views
Brutus, a champion weightlifter, raises 243 kg of weights a distance of 2.65 m.(b) How much work is done by Brutus holding the
1. 2 answers
2. asked by Manny Aragon
3. 1,194 views
What is "Acquiring New Behaviors" deal with? It is part of Behavior Modification but that's all I know. It has to deal with
1. 2 answers
2. asked by Mike
3. 1,143 views
find the derivative of 3x^4-5x+3/x^4+1i know that the derivative of the numeratoor would be 12x^3-5 but i'm not sure if its
1. 2 answers
2. asked by Nancy
3. 1,138 views
Balance the following in basic solution using the lowest possible integers and give the coefficient of water.MnO4- + C2O42- -->
1. 0 answers
2. asked by Mary
3. 1,122 views
if you faced west and turned 270 degrees what direction would you be facing
1. 4 answers
2. asked by miceal
3. 1,119 views
When a metal pipe (open at both ends) is cut into two pieces, the lowest resonance frequency in one piece is 273 Hz and that for
1. 0 answers
2. asked by Anonymous
3. 1,094 views
'A symbol is a person, place, or thing, or an event that stands for itself and for something beyond itself as well. What do you
1. 3 answers
2. asked by mysterychicken
3. 1,073 views
Annue must send two packages. One package weighs 11 1/8 lbs. and the other weighs 9 1/5 lbs. what is the total weight of the two
1. 3 answers
2. asked by Rmz
3. 1,064 views
1. I was disappointed at the movie's ending.2. I was disappointed with the movie's ending. 3. I was disappointed in the movie's
1. 1 answer
2. asked by rfvv
3. 1,060 views
Find the x and y intercepts of a line that is perpendicular to the line y = -9/8x + 1 and passes through the point (18, -8).
1. 1 answer
2. asked by Chris
3. 1,048 views
An ox exerts a force of 7100N to the horizontal direction without slipping. If the ox has a weight of 8000N, what is the minimum
1. 1 answer
2. asked by Steve
3. 1,036 views
Im doing an essay on the lack of redemption shown in the novel No country for old men.I needs 1000-1200 words and i got about 7
1. 1 answer
2. asked by Pengu
3. 1,015 views
what is this saying in english Hay muchas personas en una familia grande.
1. 2 answers
2. asked by mARTEKA
3. 1,004 views
"bundle of services "is example of what literary device
1. 1 answer
2. asked by ann
3. 994 views
I have no idea where to start with this problem:A certain reaction has the following general form: aA -> bB At a particular
1. 0 answers
2. asked by Shawn
3. 991 views
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s.(a) Calculate the centripetal
1. 2 answers
2. asked by gabriel santiago
3. 984 views
Who Is the Portuguese nobleman who encouraged exploration and the science of navigation?
1. 2 answers
2. asked by cara
3. 971 views
when apollo 15 astronaut David Scott dropped a hammer and a feather on the moon to demostrate that in a vacuum all bodies fall
1. 1 answer
2. asked by Rachel
3. 963 views
Question part Points Submissions 10/1 1/3 Total 0/1 A 13.0 m long conveyor belt, inclined at 30.0°, is used to transport
1. 1 answer
2. asked by Manny Aragon
3. 953 views
Compare and Contrast Sir Gawain from Sir Gawain and the Green Knight to The Redcrosse Knight From the Faerie Queene
1. 1 answer
2. asked by Jaye
3. 946 views
'A symbol is a person, place, or thing, or an event that stands for itself and for something beyond itself as well. What do you
1. 2 answers
2. asked by mysterychicken
3. 940 views
A farsighted man has a near point of 50 cm. What power lens should he use as a magnifier to see clearly at a distance of 15cm
1. 1 answer
2. asked by josh
3. 935 views
One side of a square is 5n inches long. Another side is n + 16 inches long. Write an equation by setting these equal and solving
1. 1 answer
2. asked by sabrina
3. 935 views
one more thing-how are centipedes different from insects, crustaceans, and arachnids?
1. 1 answer
2. asked by Uhave
3. 934 views
A test is conducted in 22 cities to see if giving away free transit system maps will increase the number of busriders. In a
1. 1 answer
2. asked by please help!
3. 927 views
what is the smallest prime greater then 200 is it201 205 211 214
1. 1 answer
2. asked by james
3. 923 views
Nail Hammer screw
1. 1 answer
2. asked by Nicole
3. 914 views
A 20.0kg mass is placed a the top of a 3.5m long, 15degree ramp. When released from rest, the mass accelerates down the ramp.
1. 1 answer
2. asked by Alexandra
3. 910 views
Explain why fixed and variable costs per unit decline as sales volume increases. Suppose a company had a variable cost/unit of
1. 1 answer
2. asked by Charles
3. 901 views
I'm a little confused when it comes to significant figures. Where it doesn't make sense to me is when zeros come before and
1. 0 answers
2. asked by Anonymous
3. 885 views
which of the following is least like the other?poem novel painting statue flower
1. 1 answer
2. asked by cara
3. 873 views
Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which between the two
1. 0 answers
2. asked by Meg
3. 870 views
you have one penny one nickel one dime and one quarter. how many different amounts of money can you make using one or more of
1. 2 answers
2. asked by Katherine
3. 859 views
A student's grade on an examination was transformed to a z value of 0.67. Therefore, we know that she scored approximately in
1. 1 answer
2. asked by Anonymous
3. 853 views
The waters surrounding Japan and the nearby ocean currents help to make Japan's climate.moderate. very hot. very cold and wet.
1. 4 answers
2. asked by Renee
3. 847 views
Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following
1. 0 answers
2. asked by Jillian
3. 845 views
two right triangles are similar. the of the larger triangle is 4 times as long as the base of the smaller triangle. the height
1. 2 answers
2. asked by Louise.T
3. 841 views
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s.(a) Calculate the centripetal
1. 1 answer
2. asked by gabriel santiago
3. 834 views
A test is conducted in 22 cities to see if giving away free transit system maps will increase the number of busriders. In a
1. 1 answer
2. asked by Anonymous
3. 803 views
Of the different forms of social structure described by Durkheim, Tonnies, and Lenski, which comes closest to matching your
1. 5 answers
2. asked by Chris A.M
3. 800 views
Lines a, b and, c are perpendicular bisectors of angle pqr and meet at a find x, y, nd z
1. 0 answers
2. asked by latisha
3. 784 views
The area of the smllaer of two similar triangles is 1/9 the area of the larger triangle.Suppose one side of the triangle is
1. 1 answer
2. asked by George L
3. 780 views
What are the characteristics of LIVING THINGS?
1. 1 answer
2. asked by Mary-beth
3. 776 views
Who is involved in each component of health administration. How does each component promote health communication. If not
1. 2 answers
2. asked by Heather
3. 772 views
A horizontal force of 790 N is needed to drag a crate across a horizontal floor with a constant speed. You drag the crate using
1. 1 answer
2. asked by Manny Aragon
3. 771 views
One of your friends is heading north for the Christmas holiday and the other friend is heading south.If their destines are 1029
1. 2 answers
2. asked by Jaimy
3. 754 views
Find the point on the line 6x + y = 9 that is closest to the point (-3,1).Solution: We need to minimize the function d =
1. 1 answer
2. asked by Manny
3. 748 views
How many of potassium nitrate can dissolve in 100g of water at 50C?
1. 1 answer
2. asked by Alex
3. 742 views
Why do most Canadians live near the U.S border? (two reasons)One of my reasons were: to trade. (I remember that the teacher was
1. 7 answers
2. asked by Anonymous
3. 736 views
This Christmas,your brother Jack will be 2 years from being twice as old as your sister Jen.The sum of Jack's age and three
1. 2 answers
2. asked by Annia
3. 727 views
When an open-faced boat has a mass of 5750kg, including its cargo and passengers, it floats with the water just up to the side
1. 1 answer
2. asked by Sarah
3. 708 views
Find the point on the line 6x + y = 9 that is closest to the point (-3,1).Solution: We need to minimize the function d =
1. 0 answers
2. asked by Manny
3. 703 views
How does a gas differ from a liquid with respect to the following property:Ability to mix with other substances of the same
1. 1 answer
2. asked by asdf
3. 698 views
How would i find the hybridization of the central atom in NO3^- and CH2Br2? Also, in general how would I find the hybridization
1. 1 answer
2. asked by Sarah
3. 696 views
What is social facilitation and how has the definition evolved"
1. 3 answers
2. asked by Justin
3. 680 views
the grand canyon is 1600 meters deep at its deeoest point. a rock is dropped fromthe rim above this point. Express the height of
1. 1 answer
2. asked by Nancy
3. 673 views
research indicates that acid precipitation can damage living organisms
1. 1 answer
2. asked by Anonymous
3. 666 views
Refer to Target Corporation's financial statements Target Corporation is currently seeking additional capital to expand its
1. 0 answers
2. asked by hilda
3. 665 views
A lawn roller is pushed across a lawn by a force of 125 N along the direction of the handle, which is 22.5° above the
1. 1 answer
2. asked by Manny Aragon
3. 663 views
Stomach acid has a pH of about 2. What conclusion can you reach about the pH of an antacid solution that is used to neutralize
1. 1 answer
2. asked by Anonymous
3. 658 views
1. The bridge is made of stone.(What is the active voice form of this passive sentence? #2 or #3?) 2. Stone make the bridge. 3.
1. 1 answer
2. asked by rfvv
3. 654 views
Post your response to the following: In your own words, define environmental sustainability. Then, list three behaviors of your
1. 1 answer
2. asked by Nelda
3. 654 views
6) There are three research and development projects focusing on the development of three new products A, B and C. The markets
1. 1 answer
2. asked by mozza
3. 648 views
Maria is going for a walk. She begins by walking north for 1 km. She then turns and walks east for 22 km, then turns and walk
1. 1 answer
2. asked by Anonymous
3. 648 views
what is the correct possessive adjective for ¿Es mi clase de español?
1. 1 answer
2. asked by joe
3. 643 views
trying to Capitalize the proper nouns in the sentence
1. 1 answer
2. asked by Barry
3. 639 views
In a multiple regression with 5 predictors in a sample of 56 U.S. cities, what would be the critical value for an Ftest of
1. 0 answers
2. asked by please help!
3. 638 views
What is the typical precipitation and tempurature for summer and winter in a Virginia Temperate Forest? What are the
1. 2 answers
2. asked by Lori
3. 638 views
Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved?1b. Did you know a
1. 4 answers
2. asked by Casey
3. 630 views
The ratio of staff to patients at Lakeview is 8 to 7. If the total staff plus patients is 1575 people, how many staff are at
1. 3 answers
2. asked by Rmz
3. 629 views

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