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Questions Asked on February 7, 2011

A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface?I
1. 2 answers
2. asked by Scott
3. 8,600 views
A spelunker (cave explorer) drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the
1. 1 answer
2. asked by shaknocka
3. 5,812 views
A 1.60-kg bottle of vintage wine is lying horizontally in a rack. The two surfaces on which the bottle rests are 90.0° apart,
1. 1 answer
2. asked by Tiffany
3. 5,594 views
what is the required resistance of an immersion heater that will increase the temperature of 1.50 kg of water from 10 degrees C
1. 2 answers
2. asked by Kunal
3. 4,404 views
8.What is the mass of 4.56 moles of sulfur dioxide?9.What is the mass of 4.56 molecules of sulfur dioxide? 10.How many formula
1. 2 answers
2. asked by grace
3. 4,073 views
The energy used to power one of the Apollo lunar missions was supplied by the following overall reaction:2N2H4 + (CH3)2N2H2 +
1. 1 answer
2. asked by Jessica
3. 3,976 views
If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the
1. 6 answers
2. asked by Katie
3. 3,181 views
There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?
1. 5 answers
2. asked by Drake
3. 3,110 views
A 119.2mL sample of 0.105M methylamine (CH3NH2, Kb=3.7*10^-4) is titrated with 0.255M HNO3. Calculate the after the addition of
1. 1 answer
2. asked by Melissa
3. 3,084 views
Estimate the force a person must exert on a string attached to a 0.120 kg ball to make the ball revolve in a circle when the
1. 1 answer
2. asked by leslie
3. 2,813 views
In a certain stereo system, each speaker has a resistance of 4 Ω. The system is rated at 60 W in each channel. Each speaker
1. 2 answers
2. asked by Ishaan
3. 2,800 views
If a spring with a spring constant k = 10 N/mis stretched from its equilibrium position by 0.1 m, and released, what would be
1. 2 answers
2. asked by Sangita
3. 2,735 views
A bicycle wheel is 30 inches in diameter.a. To the nearest revolution,how many times will the wheel turn if the bicycle is
1. 3 answers
2. asked by Bree
3. 2,719 views
The tops of the towers of the golden gate bridge in san Francisco, are 227m above the water. suppose a worker drops a 655g
1. 1 answer
2. asked by shay
3. 2,710 views
A cheetah is hunting. Its prey runs for 4.3 s at a constant velocity of +8.4 m/s. Starting from rest, what constant acceleration
1. 1 answer
2. asked by shaknocka
3. 2,386 views
¿Cuál es la forma correcta del imperativo para tú?¡_____ aquí! (venir) ¿Cuál es la forma correcta del verbo para el
1. 1 answer
2. asked by lauren
3. 2,317 views
Set up and evaluate the definite integral for the area of the surface generated by revolving the curve about the x-axis.y =
1. 2 answers
2. asked by Erica
3. 2,196 views
Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical
1. 1 answer
2. asked by Tiffany
3. 2,192 views
A bucket that weighs 3.2 pounds and a rope of negligible weight are used to draw water from a well that is 82 feet deep. The
1. 3 answers
2. asked by Nancy
3. 2,018 views
A small sphere is hung by a string from the ceiling of a van. When the van is stationary, the sphere hangs vertically. However,
1. 1 answer
2. asked by Tiffany
3. 1,951 views
the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and
1. 2 answers
2. asked by Tiffany
3. 1,722 views
suppose a house that costs $270,000 appreciates by 5% each year. in about how many years will the house be worth $350,000? use
1. 2 answers
2. asked by t
3. 1,719 views
An electron moves at a speed of 6.0 x 10^-6 perpendicular to a constant magnetic field. The path is a circle of radius 1.3 x
1. 2 answers
2. asked by Veronika
3. 1,679 views
assuming that Earth is a sphere of a radius 6378 kilometers, what is the difference in the latitudes of Lynchbug, Virginia, and
1. 1 answer
2. asked by karina
3. 1,641 views
A function f(x) is said to have a removable discontinuity at x=a if:1. f is either not defined or not continuous at x=a. 2. f(a)
1. 1 answer
2. asked by maggie
3. 1,550 views
If 200g of water at 20˚ C is combined with 100g of water at 80˚ C, what is the final temperature of the 200g of water?How do
1. 1 answer
2. asked by Jon
3. 1,545 views
A Camp leader figures she needs one tent for every three campers plus one for herself...write an expression that reprents this.
1. 3 answers
2. asked by Anonymous
3. 1,526 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?2.How many formula units are in a sample of salt with a
1. 1 answer
2. asked by grace
3. 1,521 views
given: chord AB is parallel to chord CDprove if two chords of a circle are parallel, the two arcs between the chords are
1. 2 answers
2. asked by maya
3. 1,516 views
A Volkswagon Beetle convertible sedan is worth $16,615 now and is expected to be worth $8950 in 4 years.a) find a linear
1. 2 answers
2. asked by anonymous
3. 1,506 views
Read each statement below. For each situation, calculate vi, vf, pi, pf, the impulse vector F􏰁t, and the amount of force
1. 2 answers
2. asked by SARAH
3. 1,482 views
an airplane is flying at an altitude of 2500 feet parallel to the ground, and the ground distance to the start of the airport
1. 1 answer
2. asked by karina
3. 1,481 views
How many ways can you have $1.05, with only using dimes, nickels, and quarters?
1. 4 answers
2. asked by Brianna
3. 1,408 views
What is the relationship between the study of geography and the study of history? What are the advantages and disadvantages of
1. 9 answers
2. asked by Alex
3. 1,406 views
These data are a sample of the daily production rate of fiberglass boats from Hydrosport, Ltd., a Miami manufacturer17 21 18 27
1. 1 answer
2. asked by Anonymous
3. 1,399 views
for each of the following balanced chemical equations write all possible mole ratios.Mg+ 2HF---> MgF^2+ H^2
1. 0 answers
2. asked by Nick
3. 1,357 views
How many electrons must be removed from an electrically neutral silver dollar to give it a charge of +2.1 µC?
1. 1 answer
2. asked by Anonymous
3. 1,347 views
One of my classmates ask this question and it wasn't answered so now I am asking it and of course we are all struggling with no
1. 0 answers
2. asked by Belinda
3. 1,333 views
A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate of 15 m/s. Assuming air
1. 3 answers
2. asked by shaknocka
3. 1,325 views
An object is projected vertically upwards and returns to the point of projection 12s later. Ignore air resistance and determine
1. 2 answers
2. asked by Thakgalo sakwana
3. 1,308 views
For the function f(x) = 5x^6 + 6x^5 - 15x^4a.) find where the function is increasing & decreasing b.) find where the graph if
1. 0 answers
2. asked by Amy
3. 1,279 views
On one of my tests they are asking me if Symboin pandora has a symbotic reletionshio with the Norway Lobster. In my lesson the
1. 3 answers
2. asked by Erica
3. 1,274 views
Help with this please. I have to form the contrapositive of each and simplify negation using DeMorgan's rules.a) a->(b or c) my
1. 0 answers
2. asked by donovan
3. 1,264 views
WHATS IS THE DENSITY OF ETHYLENE GLYCOL IF YOU HAVE A 50ML SAMPLE OF ETHYLENE GLYCOL WITH A MASS OFF 55.505G
1. 0 answers
2. asked by DENISA
3. 1,239 views
3-34The Chicago Transit Authority thinks that excessive speed on its buses increases maintenance cost. It believes that a
1. 1 answer
2. asked by Anonymous
3. 1,229 views
According to the Smart magazine, 70% of smokers started smoking before the age of 18. Suppose 10 smokers are randomly selected
1. 0 answers
2. asked by jerry
3. 1,187 views
can anyone help me with this. I can't think of anything or explain to me.Post an example of a simple experiment of your own
1. 0 answers
2. asked by Jeannie
3. 1,182 views
What is the major product of the reaction between methanol and (2R,3S)-2-bromo-3-methylpentane at room temperature?
1. 0 answers
2. asked by chemistry
3. 1,178 views
scientific notation of 83.1
1. 2 answers
2. asked by Nat
3. 1,128 views
As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a
1. 0 answers
2. asked by brittney
3. 1,113 views
if a 22 inch tire rotates 40 times per 2 minutes, determine the linear and angular speed of the tire.
1. 1 answer
2. asked by karina
3. 1,101 views
HumanPower, the temporary employment agency, has tested many people’s data entry skills. InfoTech needs a data entry person,
1. 1 answer
2. asked by Anonymous
3. 1,095 views
a 2575 kg van runs into the back of a 825 kg compact car at rest. They move off together at 8.5 m/s. Assuming no friction with
1. 0 answers
2. asked by Nilan
3. 1,051 views
A fish tank holds 40 gallons of water (density 1.00g/mL) when full. What is the mass of the water in kilograms (kg)?
1. 1 answer
2. asked by Michelle
3. 1,040 views
Below is the production possibility information of small nations Arboc and Arbez, which can produce two goods, wheat, and
1. 2 answers
2. asked by Anonymous
3. 1,012 views
"Song of the South". What New Deal and Great Depression terms are mentioned? How does the song reflect our modern impression of
1. 0 answers
2. asked by Max
3. 1,003 views
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the
1. 1 answer
2. asked by Ayan
3. 998 views
Did I write this sentence right? Should there be an apostrophe in the word reader's?Paragraph three is missing colorful
1. 1 answer
2. asked by Anonymous
3. 994 views
determine the amounts of solute and solvent needed to prepare the following solutions.2.0 M aqueous NaCl solution 1.0 m aqueous
1. 1 answer
2. asked by shaknocka
3. 963 views
All book reviews are written in:a. past tense b. present tense c. future tense d. whatever tense the writer chooses to use. I
1. 2 answers
2. asked by anthony
3. 953 views
This is my first science can you tell me if I have my problem and hypothesis correct? The first time I sent it my hypothesis was
1. 1 answer
2. asked by Reed
3. 923 views
I need help on an essay. My essay is on immigration but my teacher wants us to compare and contrast immigration from 1800's to
1. 1 answer
2. asked by sheri
3. 919 views
Suppose that 28 crayons, of which four are red, are divided random among Jack, Marty, Sharon, and Martha (seven each). If Sharon
1. 2 answers
2. asked by rita
3. 917 views
Set up and evaluate the definite integral for the area of the surface generated by revolving the curve about the y-axis.y = cube
1. 2 answers
2. asked by Erica
3. 917 views
When you try to walk too fast on a slippery floor, you slip because walking fast requires you to exert a greater frictional
1. 1 answer
2. asked by Anonymous
3. 916 views
1.How many atoms are in a sample of copper with a mass of 18.46 grams?2.How many formula units are in a sample of salt with a
1. 1 answer
2. asked by grace
3. 915 views
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the
1. 1 answer
2. asked by shaknocka
3. 913 views
Two people, one of mass 70 and the other of mass 65 , sit in a rowboat of mass 78 . With the boat initially at rest, the two
1. 1 answer
2. asked by anonymous
3. 903 views
A light bulb is wired in series with a 142 resistor, and they are connected across a 120 V source. The power delivered to the
1. 1 answer
2. asked by Jiji
3. 897 views
In the Adventures of Huckleberry Finn, Huck mentions that he wishes the Widow Douglas could know about his efforts to save the
1. 1 answer
2. asked by Carlie
3. 872 views
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the
1. 1 answer
2. asked by shaknocka
3. 868 views
A wrecking ball is hanging at rest from a crane when suddenly the cable breaks. The time it takes for the ball to fall halfway
1. 1 answer
2. asked by shaknocka
3. 868 views
I can not even get started on this - anyone have any ideas to throw me? It is due today, but I'm sure I will be turning it in
1. 0 answers
2. asked by Anonymous
3. 868 views
given a mean of 8 and a standard deviation of 0.7 what is the z-score of the value 9 rounded to the nearest tenth
1. 1 answer
2. asked by Miranda
3. 860 views
I got my report card today. I only have 8 subjects. I got 6 A's, 1 B, and a C+. I want to know if I made it on the FIRST CLASS
1. 5 answers
2. asked by Monica
3. 854 views
A damp washcloth is hung over the edge of a table to dry. Thus, part (mass = mon) of the washcloth rests on the table and part
1. 3 answers
2. asked by Tiffany
3. 853 views
The production manager of Hinton Press is determining the average time needed to photograph one printing plate. Using a
1. 1 answer
2. asked by Anonymous
3. 846 views
By what factor is the resistance of a copper wire changed when its temperature is increased from 20¢ªC to 120¢ªC? (the
1. 0 answers
2. asked by Anonymous
3. 839 views
Skater N, 58.9 kg, is moving north at a speed of 7.8 m/s when she collides with Skater E, 72.6 kg, moving east at 3.5 m/s. The
1. 0 answers
2. asked by SARAH
3. 838 views
On a very muddy football field, a 110 linebacker tackles an 75 halfback. Immediately before the collision, the linebacker is
1. 3 answers
2. asked by anonymous
3. 835 views
a worker drives a .551 kg spike into a rail tie with a 2.55 kg sledgehammer. The hammer hits the spke with a speed of 62.1 m/s.
1. 1 answer
2. asked by Emily
3. 832 views
PLEASE HELP Find the first and second derivatives of the function.y = e^8ex. I keep getting y' = e^8ex * 8 and its wrong. how do
1. 1 answer
2. asked by nic
3. 831 views
I forgot to include these last sentences. Could you check if the sentences are OK? Thank you.1)Where has Peter gone? There he
1. 1 answer
2. asked by Franco
3. 816 views
a 2.5 kg rifle fires a 20 g bullet at 400 m/s. What is the magnitude of the recoil velocity of the rifle?
1. 2 answers
2. asked by sejul
3. 799 views
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch
1. 0 answers
2. asked by Tiffany
3. 794 views
A wire 3.00 m long and .450 mm2 in cross-sectional area has a resistance of 41.0Ω at 20 degrees C. If its resistance increases
1. 1 answer
2. asked by Aryan
3. 793 views
Corporate bonds issued by Johnson Corporation currently yield 8.5%. Municipal bonds of equal risk currently yield 6%. At what
1. 1 answer
2. asked by Shan
3. 792 views
You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88
1. 3 answers
2. asked by Martha
3. 784 views
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the
1. 1 answer
2. asked by April
3. 784 views
1. A particle is moving on the x-axis (or any number line) Its position x(t), or distance from the origin, at the time t is
1. 1 answer
2. asked by Matt
3. 779 views
According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number
1. 0 answers
2. asked by Ryan
3. 769 views
A function f(x) is said to have a removable discontinuity at x=a if:1. f is either not defined or not continuous at x=a. 2. f(a)
1. 0 answers
2. asked by Abigail
3. 769 views
need help.Young salmon hatch in freshwater steams and then migrate downstream to the ocean at the rate of 70 miles in 8 hours.
1. 1 answer
2. asked by alicia
3. 756 views
To what extent and for what reasons did the policies of the federal government from 1865 1900 violate the principles of
1. 0 answers
2. asked by Lily
3. 754 views
What is a characteristic to describe a person who always follows a schedule?What is a characteristic to describe someone who
1. 1 answer
2. asked by Christine
3. 753 views
A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z
1. 4 answers
2. asked by Melissa
3. 750 views
Doing this assignment and was wondering if i got the right answersAccording to the Census Bureau publication Current Population
1. 2 answers
2. asked by Ryan
3. 743 views
An ice skater is gliding horizontally across the ice with an initial velocity of +5.33 m/s. The coefficient of kinetic friction
1. 0 answers
2. asked by Tiffany
3. 741 views
A woman and her dog are out for a morning run to the river, which is located 3.51 km away. The woman runs at 3.48 m/s in a
1. 1 answer
2. asked by shaknocka
3. 739 views
How was their small size helpful to the mammals of the Mesozoic?
1. 0 answers
2. asked by Karen
3. 734 views

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