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Questions Asked on October 28, 2009

A 1500kg car skids to a halt on a wet road where μk= 0.53. How fast was the car traveling if it leaves 62-m-long skid marks?
1. 1 answer
2. asked by Angela
3. 12,682 views
Calculate the delta H for the reactionN2H4(l)+ O2(g) --> N2(g) + 2H20(l) Given the following data: 2NH3(g) + 3N20(g) --> 4N2(g)
1. 3 answers
2. asked by kilo
3. 12,262 views
8 basketball players are selected to play in a special game.the players will be selected from a list of 27 players .if the
1. 4 answers
2. asked by rency
3. 7,377 views
Give the symbol of the element of lowest atomic number whose ground state has:a) Four f electrons b) a completed d subshell c)
1. 2 answers
2. asked by Meg
3. 5,167 views
12 wrestlers compete in a competition .if each wrestler wrestles one match each with each other wrestler ,what are the total
1. 2 answers
2. asked by rency
3. 4,846 views
the speed of the fastest pitched baseball was 45 m/s, and the ball's mass was 145 g. (a) What was the magnitude of the momentum
1. 7 answers
2. asked by sarah
3. 4,315 views
there are 6 members on a board of directors .if they must elect a chairperson ,a secretary ,and a treasurer,how many different
1. 4 answers
2. asked by rency
3. 4,085 views
Calculate (delta) H rxn for2NOCl(g)---- N2(g) + O2(g) + Cl(g) given the following set of reactions: 1/2N2(g) +
1. 1 answer
2. asked by Kaylyn
3. 3,921 views
if u pick a card random from a well shuffled deck ,what is the probability you get a face card or a spade.
1. 2 answers
2. asked by rency
3. 3,609 views
How many grams of Sulfur are there in 6.0 grams of Fe2(SO4)3
1. 2 answers
2. asked by Anonymous
3. 3,486 views
A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly
1. 4 answers
2. asked by Anonymous
3. 2,970 views
William Tell shoots an apple from his son's head.The speed of the 125-g arrow just before it strikes the apple is 25.0m/s, and
1. 1 answer
2. asked by Ryan
3. 2,693 views
A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly
1. 2 answers
2. asked by Anonymous
3. 2,437 views
you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both
1. 2 answers
2. asked by rency
3. 2,032 views
an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?
1. 1 answer
2. asked by penny
3. 1,997 views
Write the correct form of "tener."13. (yo) ____ dos casas. 14. (él) ______mucho dinero. 15. (ella)_____ poco dinero. 16. (Uds.)
1. 5 answers
2. asked by tommy
3. 1,962 views
this is for a lab - determining the chemical formula of a hydrate.suppose the hydrate was heated too quickly and some of it was
1. 1 answer
2. asked by denise
3. 1,913 views
Two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other, holding tight
1. 2 answers
2. asked by physics studentt
3. 1,889 views
Determine the vector having initial point P(x¡,y¡,z¡) and the terminal point Q(x¡¡,y¡¡,z¡¡) and find its magnitude.
1. 2 answers
2. asked by Beta plus
3. 1,772 views
I have to write a book review on a captivity story that I've read. The instructions are:'Choose a captivity story you know or
1. 6 answers
2. asked by mysterychicken
3. 1,726 views
a card is drawn from a well shuffled deck of 52 cards .find(p drawing an ace or a 9)
1. 2 answers
2. asked by rency
3. 1,724 views
John loads a collapsed inflatable boat into a two wheel "grocery type" handcart and wheels it down to the lake. While the cart
1. 2 answers
2. asked by Anonymous
3. 1,695 views
A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in.
1. 6 answers
2. asked by Anonymous
3. 1,671 views
Here is the source code for the Kitty class:public class Kitty { String name; int age; public Kitty(){ } public void
1. 2 answers
2. asked by Rob
3. 1,632 views
A regulation 145 g baseball can be hit at speeds of 100 mph. If a line drive is hit essentially horizontally at this speed and
1. 1 answer
2. asked by Student1
3. 1,614 views
Highway safety engineers build soft barriers such as the one shown in Figure 3-21, so that cars hitting them will slow down at a
1. 2 answers
2. asked by Sasha
3. 1,537 views
Assume you are performing the calibration step of Experiment 8 and you begin with 80 g of water at 20 oC and 80 g of water at 80
1. 1 answer
2. asked by Jim
3. 1,445 views
A solution contains the following:NH3(aq) + H2O(l) <--> NH4+(aq) + OH-(aq) Adding NH4Cl to this solution shifts the equilibrium
1. 1 answer
2. asked by Mandy
3. 1,397 views
Calculate in newtons weight of 2.5kg melon. and what is it's weight in pounds?
1. 1 answer
2. asked by Student
3. 1,358 views
problem 2.a sample of calcium chloride weighs 1.64g. it is dissolved in water and silver nitrate solution added.a precipitate of
1. 2 answers
2. asked by yankoua
3. 1,271 views
'Du Maurier, who wrote the short story The Birds, tells us that the birds are trying to destroy human life, but we never know
1. 6 answers
2. asked by mysterychicken
3. 1,242 views
the percentages of carbon,hydrogen and oxygen in vitamin c were determined by burning a sample weighing 2.00mg,the masses of
1. 3 answers
2. asked by yankoua
3. 1,218 views
MS. Sue , Thank for your response. Can you once more check to see if I have matched these (7) fallacy statements correctly .1 .
1. 1 answer
2. asked by lovely
3. 1,217 views
prove:(cscx-cotx)^4 x (cscx+cotx)^4 = 1
1. 1 answer
2. asked by Laura
3. 1,214 views
how many totsl moles of ions are released when 0.83 mol of K3PO4 dissolves in water?
1. 1 answer
2. asked by samm
3. 1,176 views
two people are wearing harnesses and are hanging from the ceiling by means of ropes. they are face to face and push off
1. 1 answer
2. asked by sara
3. 1,165 views
a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are
1. 1 answer
2. asked by rency
3. 1,160 views
Hello!I don't want to ask for help with my homework, aI have some more serious problem.... next year I will go to collage, i
1. 1 answer
2. asked by Lulu
3. 1,149 views
A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km
1. 1 answer
2. asked by Gina
3. 1,145 views
Identify the noun, verb,and adverb in the following sentence.The cows entered the barn mooing noisily.
1. 1 answer
2. asked by Billy
3. 1,144 views
The game of Yahtzee is played with five fair six-sided dice. A turn consists of rolling all five dice, selecting the ones you
1. 2 answers
2. asked by CM
3. 1,141 views
please someone help with me personal narrtive.i'm on my second pargrah.my first pargraph was about waking up me getting up.I
1. 4 answers
2. asked by alyssa
3. 1,139 views
two 6 sided dice are rolled.what is the probability the sum of the 2 numbers on the dice will be 4Is 1/3 right?
1. 3 answers
2. asked by rency
3. 1,122 views
1. Today we eat foods/food which come from all over the world.(Do we have to use 'food' or 'foods'? Are both OK? When do we use
1. 1 answer
2. asked by Tom
3. 1,121 views
If "noisily" is an adverb in the following sentence, what is "mooing"?The cows entered the barn mooing noisily.
1. 2 answers
2. asked by Billy
3. 1,118 views
please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is
1. 1 answer
2. asked by Chan
3. 1,112 views
What is the terminal speed for an 81.0 kg skier going down a 41.0degree snow-covered slope on wooden skis mu_k= 0.060? Assume
1. 1 answer
2. asked by sam
3. 1,083 views
I have to write a book review on a captivity story that I've read. The instructions are:'Choose a captivity story you know or
1. 6 answers
2. asked by mysterychicken
3. 1,078 views
A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the
1. 3 answers
2. asked by Karen
3. 1,055 views
Why is building student-teacher rapport critical to establishing and maintaining a productive classroom environment? How does
1. 1 answer
2. asked by Anonymous
3. 1,054 views
Assume you are performing the calibration step of Experiment 8 and you begin with 80 g of water at 20 oC and 80 g of water at 80
1. 1 answer
2. asked by Jim
3. 1,049 views
solve by graphing:x+y=1 2x+y=0 I know that the answer is (-1,2)and i know how to mark the spot but can you explain how to draw
1. 1 answer
2. asked by Jaison
3. 1,031 views
need wieght in lb.s an apple weighs 1N mass in kilograms give weight in lb.s
1. 1 answer
2. asked by Student
3. 1,029 views
What will happen to the Rf values of the pigments if you were to increase the relative concentration of acetone in the
1. 2 answers
2. asked by Toby
3. 997 views
you are dealt two cards successively(without Placement)from a shuffled deck of 52 playing cards .find the probability that both
1. 1 answer
2. asked by rency
3. 965 views
THE FRENCH REVOLUTIONBefore the French Revolution France had a system of government and society which was called the OLD REGIME.
1. 10 answers
2. asked by Sara
3. 959 views
The price of a sweater is $5 less than teice the price of a shirt. if four sweaters and three shirts cost $200, find the price
1. 2 answers
2. asked by Matt
3. 951 views
An unprepared student makes random guesses for the ten true or false questions on a quiz.find the probablity that there is at
1. 2 answers
2. asked by rency
3. 940 views
Consider the issue and implications of intentional news media bias. Why are large segments of the American news media audience
1. 1 answer
2. asked by Alyssa
3. 934 views
a certain type of propeller blade can be modeled as a thin uniform bar 2.5 m long and of mass 24 kg that is free to rotate about
1. 0 answers
2. asked by Anonymous
3. 931 views
What is the horizontal velocity of the pencil? the ? is you are standing in the aisle of a bus that travels along a straight
1. 1 answer
2. asked by kathy
3. 901 views
A race car can be slowed with a constant acceleration of -14 m/s2.(a) If the car is going 44 m/s, how many meters will it travel
1. 2 answers
2. asked by Sasha
3. 889 views
what is the prefix for dismayed.
1. 2 answers
2. asked by MONA
3. 884 views
Pamela and David walk on the same track. It tqkes Pamela 9 minutes and David 6 minutes to walk one lap.If they start walking at
1. 1 answer
2. asked by Robbie
3. 877 views
Differentiate the following function.y = (5 x^2 + 7 x + 6)/sqrt(x)
1. 2 answers
2. asked by Anonymous
3. 866 views
Based on pressure values for each component of the reaction, what is the value of the reaction quotient, Q?Equation: C2H2 + 2 H2
1. 1 answer
2. asked by Anonymous
3. 852 views
explain why a strong acid or base can denature an enzymeexplain how varying pH influenced the rate of the catalase reactions and
1. 0 answers
2. asked by Zac
3. 847 views
Consider the following method of estimatingFahrenheit temperatures given Celsius temperatures (which was stated earlier in this
1. 1 answer
2. asked by jeng
3. 836 views
A police officer in hot pursuit drives her car through a circular turn of radius 320 m with a constant speed of 74.5 km/h. Her
1. 1 answer
2. asked by jane
3. 831 views
The first-year retention rate is the percentage of entering freshman at a given college who return to that same college for
1. 2 answers
2. asked by CM
3. 827 views
Consider the issue and implications of intentional news media bias. Why are large segments of the American news media audience
1. 3 answers
2. asked by Audrey
3. 815 views
What is the force between two balloons with negative charge of 2.3 x 10^-12 C if the balloons are 46 cm apart?
1. 2 answers
2. asked by Alyson
3. 792 views
24. The South African government changed its policy of apartheid in 1990 and 1991 because ofa. the policy's failure to eliminate
1. 4 answers
2. asked by mysterychicken
3. 790 views
I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2
1. 2 answers
2. asked by Adriana
3. 789 views
French RevolutionBefore the French Revolution France had a system of government and society which was called the <U>Old
1. 1 answer
2. asked by Sara
3. 773 views
How would i set these up? like what is the equations?# A tennis player hits a tennis ball with a force of 330 N, and it
1. 0 answers
2. asked by please help(:
3. 772 views
A roller-coaster car has a mass of 1170 kg when fully loaded with passengers. As the car passes over the top of a circular hill
1. 1 answer
2. asked by joann
3. 768 views
Looking for interesting volunteer work?How about cleaning at a city hall. People of the city hall needs your help. You can be
1. 1 answer
2. asked by Tom
3. 765 views
I have pictures of national flags of six countries. Which national flag is French natonal flag? Which country's national flag is
1. 1 answer
2. asked by Tom
3. 752 views
on my worksheet "books never written" AND i have to do multiplication by 2 digit factor and i need help solving the names of the
1. 5 answers
2. asked by Lulu
3. 750 views
suppose a student is taking multiple choice exam,A,B,C,D,E,with only one of the responses correct.describe the complement method
1. 7 answers
2. asked by rency
3. 744 views
When you write 2,500 in expanded form, how many addends do you have?2,000+ 500+0+0 ??
1. 3 answers
2. asked by Math
3. 737 views
How would I write this as a function of y=x^3Reflected in the y axis, horizontally stretched by a factor of 7, vertically
1. 1 answer
2. asked by May
3. 727 views
Why is building student-teacher rapport critical to establishing and maintaining a productive classroom environment? How does
1. 1 answer
2. asked by Anonymous
3. 724 views
1 Constitutional law The law as expressed in the U.S. Constitution and thevarious state constitutions. The U.S. Constitution is
1. 1 answer
2. asked by Mary
3. 721 views
A particle moves in the plane along the curve y=xln(x). At what rate is the distance from the origin increasing at the moment
1. 1 answer
2. asked by drew
3. 683 views
Please give an example of how you would use each of the financial reports (income statements, balance sheets, CVP income
1. 1 answer
2. asked by Stacy
3. 680 views
How do you write an inequality for this problem. You have a budget of $2.500.00 and you want to buy 30 tons of rock for $60.00
1. 0 answers
2. asked by Janeen
3. 677 views
In the future how will critical thinking influence the ways that you: a) Read? b) Write? C.) Process Information?II. Why and how
1. 1 answer
2. asked by Anonymous
3. 672 views
The two blocks (m = 37 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction
1. 1 answer
2. asked by Jane
3. 646 views
The two cereal boxes shown have corresponding edgesin a ratio of 2 : 3. If the smaller box sells for $2.50 and the larger box
1. 2 answers
2. asked by jeng
3. 646 views
What is the terminal speed for an 84.0kg skier going down a 37.0degree snow-covered slope on wooden skis μk= 0.060? Assume that
1. 3 answers
2. asked by Angela
3. 644 views
What is the difference between a special session and a regular session in Congress?
1. 1 answer
2. asked by kim
3. 641 views
Arrange the amount of momentum of these objects from the most momentum to the least momentum. When placing the objects in the
1. 0 answers
2. asked by please help(:
3. 638 views
Can someone please differentiate y = sin x / x for me?What I did was put (sin x)(x)^-1 and used the product rule... So for me it
1. 1 answer
2. asked by Kay
3. 637 views
What four guidelines are useful in balancing an equation
1. 1 answer
2. asked by lynda smith
3. 637 views
a manufacturing process has a 70% yeild,meaning 70% of the products are acceptable and 30%are defective.if 3 of the products are
1. 1 answer
2. asked by rency
3. 635 views
Please Help Identify the fallacy and explain Why fallacy fit that category . Would Someone Check My Answers to the following ( 4
1. 1 answer
2. asked by Chancy
3. 634 views
I'm reviewing for my test about the novel "To Kill a Mockingbird".There's this question I can't answer: 1. What are the
1. 1 answer
2. asked by lily
3. 634 views
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of
1. 1 answer
2. asked by Kajal
3. 634 views

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