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Questions Asked on February 25, 2008

A truck driver slams on the brakes and skids to a stop through a displacement of delta x.(a) IF the truck has twice the mass, by
1. 1 answer
2. asked by John
3. 6,326 views
Batman (mass = 90 kg) jumps straight down from a bridge into a boat (mass = 530 kg) in which a criminal is fleeing. The velocity
1. 1 answer
2. asked by Zach
3. 3,751 views
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end
1. 2 answers
2. asked by Eric
3. 3,496 views
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy.The Deluxe model requires 3 hours to assemble and
1. 3 answers
2. asked by Tushar
3. 2,759 views
Write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x-1.y-y1=m(x-x1
1. 3 answers
2. asked by Jon
3. 2,686 views
What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11
1. 7 answers
2. asked by K
3. 2,543 views
Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km
1. 2 answers
2. asked by jonathan
3. 2,535 views
the fuel methanol(CH3OH) is made by the reaction of carbon monoxide and hydrogen.a) write the balanced chemical reaction b)how
1. 3 answers
2. asked by g3mini
3. 2,426 views
identify a new law or regulation that affects the practice of public health or community health nursing.
1. 1 answer
2. asked by Laly
3. 2,130 views
With the engines off, a spaceship is coasting at a velocity of +210 m/s through outer space. It fires a rocket straight ahead at
1. 1 answer
2. asked by Vaughn
3. 2,046 views
Eliminate the parameter and write the corresponding rectangular equation. X=2cos theta, y=4sin theta
1. 1 answer
2. asked by Kristen
3. 2,000 views
A short train (an engine plus four cars) is accelerating at 1.10 . The mass of each car is 38000 , and each car has negligible
1. 2 answers
2. asked by jose2
3. 1,737 views
Which of the following is the best definition of Hess' Law?A. Since enthalpy is a state function, it will be different if a
1. 2 answers
2. asked by Anonymous
3. 1,578 views
A beam of protons is accelerated through a potential difference of 0.745 kV and then enters a uniform magnetic field traveling
1. 1 answer
2. asked by J
3. 1,577 views
According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was
1. 1 answer
2. asked by Danielle
3. 1,576 views
How many stereoisomers are there for 1,2-dichlorocyclopentane?:a) 1 b) 2 c) 3 d) 4 answer: "B" (2)??? or: "D" (4)??? How many
1. 2 answers
2. asked by K
3. 1,410 views
The question is:Can you photograph yourself in a mirror and focus the camera on both your image and the mirror frame? Explain. I
1. 2 answers
2. asked by Emily
3. 1,401 views
on the story 'Lamb to the slaughter' what changes and feelings does Mary Maloney go through?
1. 0 answers
2. asked by Hannah
3. 1,390 views
A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a
1. 2 answers
2. asked by jose
3. 1,362 views
At a certain distance from a point charge, the potential due to the charge is �|5.93 V, and the magnitude of the electric field
1. 1 answer
2. asked by Samantha
3. 1,307 views
You are working as assistant to a major movie producer from Hollywood, but mainly you look after pre-release film publicity. You
1. 2 answers
2. asked by maryam
3. 1,293 views
A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The
1. 0 answers
2. asked by Peter
3. 1,265 views
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
1. 1 answer
2. asked by Kristen
3. 1,248 views
<b>For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found:[A]null
1. 0 answers
2. asked by Gabe
3. 1,225 views
What is the sum of all possible digits that could fill in the blankin 47_021 so that the resulting five digit number is
1. 3 answers
2. asked by Ash
3. 1,223 views
Which of the following is the formation reaction for CaO(s) ?A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. 2 Ca(s)
1. 4 answers
2. asked by Anonymous
3. 1,200 views
A 0.052-kg arrow is fired horizontally. The bowstring exerts an average force of 80 N on the arrow over a distance of 0.75 m.Wit
1. 2 answers
2. asked by Zach
3. 1,180 views
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy.The Deluxe model requires 3 hours to assemble and
1. 0 answers
2. asked by Mike
3. 1,171 views
Is the Mississineewa Lake A MAJOR LAKE at Indiana! And for peace sake I mean is it a Major! LAKE! in Indiana!!!! And I! don't
1. 7 answers
2. asked by Peter
3. 1,165 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine:a.In
1. 1 answer
2. asked by Math help
3. 1,163 views
Hi, I was wondering if you could possibly help me with this chem question.For the relatively slow decomposition of NOCL into NO
1. 1 answer
2. asked by Carlo
3. 1,160 views
It is probably easy, but i don't know where to startA hockey puck leaves a player's stick with a speed of 9.50 m/s and slides
1. 1 answer
2. asked by matt
3. 1,160 views
what is the rate law of S2O8^2- + 3I- ---> 2SO4^2- + I3-
1. 1 answer
2. asked by Lauren
3. 1,156 views
The first speed limits for cars were two miles per hour in a city and four miles per in the open country. How long would it take
1. 4 answers
2. asked by Jennifer
3. 1,152 views
The foreces of attraction between molecules of I2 are:covalent bonds ionic bonds dipole-dipole attractions london forces
1. 1 answer
2. asked by Lauren
3. 1,137 views
What is the sum of all two digit positive integers whose squaresend with the digits 01?
1. 1 answer
2. asked by Ash
3. 1,116 views
4FeS2 + 11O2 yields 2Fe2O3 +8SO2. I don't understand this equation. FeS2 leads me to believe that the Fe here has a charge of +2
1. 1 answer
2. asked by kaley s
3. 1,109 views
How do the purpose and function of the board ofdirectors in a human service organization affect day-to-day operations?
1. 0 answers
2. asked by Anonymous
3. 1,108 views
how do you find average price at which the shares were issued? common stock without par value, 4000000 shares authorized, 800000
1. 1 answer
2. asked by nick
3. 1,102 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What
1. 2 answers
2. asked by Math help
3. 1,070 views
Could you help me on solving these please? thanks-135 = -5b^-3 and -9.6=-.3b^x
1. 1 answer
2. asked by cal
3. 1,067 views
A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22
1. 2 answers
2. asked by Anonymous
3. 1,047 views
I have just moved and transferred to a new school. My chemistry class is really ahead of my old class, so I am having some
1. 3 answers
2. asked by Jessica
3. 1,045 views
the alkaline-earth metals react similarly because they all have the same number of electrons in their outer energy level. Which
1. 1 answer
2. asked by Lenell
3. 1,034 views
what is a stressed vowel??
1. 1 answer
2. asked by alyssia
3. 1,028 views
How many grams of potassium sulfide are produced from the reaction of 1.23 moles of potassium with sulfur?
1. 1 answer
2. asked by Barb
3. 1,008 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What
1. 1 answer
2. asked by Math help
3. 1,008 views
WHICH OF THE FOLLOWIN IS A METHOD OF FORMAL AMENDMENT ???
1. 2 answers
2. asked by EDGAR
3. 1,002 views
Why is;a) antimony pentafluroide Sb(-3) + F5(-1) --> SbF4 ? b) aluminium bromide hexahydrate Al(-1) + Br(-1) --> AlBr3 . 6H2O ?
1. 1 answer
2. asked by annie
3. 963 views
i got some ideas from ms.sue (thank-you)How about -- a kid who boasts that his big brother can beat up another kid's big
1. 1 answer
2. asked by Anonymous
3. 956 views
seeds of type A and type B are sold in packets, each must contain1) both type a and type b seeds 2) at least twice the amount of
1. 4 answers
2. asked by keisha
3. 951 views
the population of humorville is 8,500 people. in this town, jokes travel fast. in one hour, each person who hears a joke tells
1. 2 answers
2. asked by Brielle
3. 948 views
The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates
1. 2 answers
2. asked by Samantha
3. 915 views
A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that
1. 1 answer
2. asked by Zach
3. 905 views
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy.The Deluxe model requires 3 hours to assemble and
1. 0 answers
2. asked by Tushar
3. 905 views
reinforcement???????????????????help
1. 0 answers
2. asked by Lenell
3. 893 views
If f(x)= 5x^2-4/x, findf(4)5(4)^2-4/4 5(16)-4/4 80-4/4 76/4 19(answer)
1. 1 answer
2. asked by Jon
3. 889 views
A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.0 m high, and the cyclist estimates that
1. 1 answer
2. asked by Peter
3. 884 views
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the68-95-99.7 Rule, Determine: a.In
1. 1 answer
2. asked by Math help
3. 883 views
Describe the inheritance and expression of cystic fibrosis, Tay-Sachs disease and sickle-cell anemia.I didn't understand what
1. 1 answer
2. asked by Anonymous
3. 877 views
how many electrons are in the outer energy level of the atoms of alkaline-earth metals?
1. 0 answers
2. asked by Lenell
3. 858 views
what are some nonliving and/or living factors that contributes to energy conservation?
1. 0 answers
2. asked by Anonymous
3. 850 views
what is the measure of the amount of force needed to move an object a certain distance?
1. 1 answer
2. asked by cn
3. 845 views
What are the fundamental differences between Western philosophies and Eastern ways of knowing? (Generally, how does each culture
1. 2 answers
2. asked by Dawn
3. 841 views
How much iron (II) sulfide would be needed to prepare 15L of hydrogen sulfide? My balanced equation is 2HCl + FeS --> H2S +
1. 1 answer
2. asked by Jacob
3. 839 views
Can someone please help me with the following question. I am not sure even where to start.A 5-year annuity of 10 $9,000
1. 1 answer
2. asked by student
3. 818 views
Which of the following is the formation reaction for CaO(s)Ca(s)+ 1/2O2(g)arrow Cao(s) is that right
1. 1 answer
2. asked by Anonymous
3. 807 views
Can someone help me to understand the step by step process of the five declensions? I don't seem to understand what makes the
1. 1 answer
2. asked by Suomynona
3. 796 views
I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the
1. 1 answer
2. asked by JAKE
3. 789 views
Which of the following is NOT true about the thermodynamic standard state?A. A gas is in its standard state when its pressure is
1. 2 answers
2. asked by Anonymous
3. 786 views
What are some examples of economic events?
1. 1 answer
2. asked by Lou
3. 779 views
A park ranger at point A sights a redwood tree at point B at an angle 23 degrees from a fire tower at point C, From the fire
1. 3 answers
2. asked by jonathan
3. 774 views
In "A Pair of Silk Stockings," the silk stockings are a symbol ofA. Mrs. Sommers's inability to handle money. B. Mrs. Sommers's
1. 1 answer
2. asked by lisa
3. 768 views
Identify the optional criteria you want to include in your final project, and explain yourreasoning for selecting these options.
1. 3 answers
2. asked by Dawn
3. 767 views
How do you complete the proof for the integration of dx/sqrt(a^2 - x^2) = arcsin (x/a) + C.a is a constant.
1. 1 answer
2. asked by Ally
3. 766 views
Given: g=9.81 m/s square.The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is
1. 1 answer
2. asked by Anonymous
3. 764 views
Assume x and y are functions of t. Evaluate dy/dt.xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3
1. 2 answers
2. asked by marie
3. 757 views
Which of the following is NOT true about the thermodynamic standard state?A. A solid is in its standard state when the
1. 7 answers
2. asked by Anonymous
3. 736 views
How do I declare how many boxes there are and how much per box with this information.....Write an IceCreamStation class in Java.
1. 0 answers
2. asked by Scotty
3. 734 views
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking.
1. 1 answer
2. asked by Jose
3. 730 views
I need help finding information on the Social Penetration Theory
1. 0 answers
2. asked by lori
3. 728 views
for my extended essay i need help reword a question. right now it sounds like a "book report" type question and i need it to a
1. 1 answer
2. asked by sara
3. 726 views
An object of mass 13 kg going to the right with a speed of 9m/s collides with a 10kg object at rest. If the collision is
1. 2 answers
2. asked by Maria
3. 713 views
Given: g=9.81 m/s square.The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is
1. 4 answers
2. asked by Jenna
3. 712 views
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking.
1. 0 answers
2. asked by jose
3. 712 views
An aqueous solution of a non electrolyte boils at 100.32 degrees C. The expected freezing point for this solution is ______?(Kb
1. 1 answer
2. asked by Lauren
3. 711 views
Can someone check over these math problems that I did? Please?1. The bloodhound, a type of dog, has 4.0 X 10^9 (10 to the ninth
1. 1 answer
2. asked by skye
3. 698 views
When 0.975 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 400C is observed.Assume the solution's
1. 3 answers
2. asked by Anonymous
3. 697 views
For school I have to write a report about Kashmir. (I think that's how you spell it.) Anyway, I know that there is a lot going
1. 1 answer
2. asked by Taylor
3. 689 views
what season is easter in? is it spring?how about thanksgiving day? what season is that in? How's the weather in winter for
1. 2 answers
2. asked by anonymous
3. 688 views
Assume x and y are functions of t. Evaluate dy/dt.xy - 5x + 2x^3 = -70; dx/dt=-5, x=2, y=-3
1. 1 answer
2. asked by marie
3. 680 views
A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The
1. 1 answer
2. asked by John
3. 679 views
When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C is observed. Assume the
1. 6 answers
2. asked by Anonymous
3. 675 views
Write an equation in slope-intercept form for the line that passes through (3,5) and (-2,1).y2-y1/x2-x1 1-5/-2-3 -4/-5= slope
1. 3 answers
2. asked by Jon
3. 673 views
could you please check my work? thanks.For the reaction between reactants A and B below, if 4.925 moles of A is placed into a
1. 0 answers
2. asked by Kevin
3. 657 views
( / means absolute value)Solve: 3+/2y-1/>=1. Graph the solution set on a number line. The number line I have is: -5 -4 -3 -2 -1
1. 3 answers
2. asked by Jon
3. 657 views
Who were the First Nations people living by Lake Huron?What was started to protest the signing of the Rebellion Losses Bill in
1. 1 answer
2. asked by Alyssa
3. 654 views
A 3.60 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.0 m above the ground. The
1. 2 answers
2. asked by Peter
3. 649 views
If a graph is a straight non-verticle line, is it the graph of a function? Use complete sentences to explain your reasoning.
1. 2 answers
2. asked by Jennifer
3. 649 views
If steak is a normal good and its price rises
1. 1 answer
2. asked by jaka
3. 642 views

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