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Lindsey

Questions (248)

Charge is distributed uniformly along the x axis with density ßx and uniformly along the y axis with density ßy. Calculate the
1. 0 answers
2. 569 views
Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length
1. 1 answer
2. 985 views
Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length
1. 0 answers
2. 562 views
Point charges Q1 = 50 µC and Q2 = -20 µC are placed 2 meters apart. Where can I put a third charge so that the net electrical
1. 3 answers
2. 1,309 views
Two objects are connected by a light string that passes over a frictionless pulley as in the fi gure. One object lies on a
1. 1 answer
2. 2,460 views
An archer exerts an average force of 194 N to draw a 0.25 kg arrow back 1.2 m with the string of the bow.How much work does the
1. 1 answer
2. 522 views
A football punter accelerates a football from rest to a speed of 9.1 m/sduring the time in which his toe is in contact with the
1. 1 answer
2. 623 views
A football punter accelerates a football from rest to a speed of 9.1 m/sduring the time in which his toe is in contact with the
1. 1 answer
2. 1,287 views
How are Lower Body Negative Pressure and hemorrhage similar and different?
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2. 317 views
A football punter accelerates a football from rest to a speed of 9.1 m/sduring the time in which his toe is in contact with the
1. 1 answer
2. 558 views
how do i simplify this expression?9x^2 16x^4y^2 -------- x -------- -4x^3y^4 25xy
1. 3 answers
2. 775 views
Calculate the pH of a solution containing 0.00001 moles of H3O per liter.
1. 2 answers
2. 1,190 views
For which of the following molecules would the intermolecular forces be influenced mainly by dipole-dipole forces?PH3 CH3OHO HF
1. 1 answer
2. 1,609 views
the number of grams of CuSo4 times 5 H2O that will dissolve in 100g of H20 at 100 degrees
1. 0 answers
2. 1,046 views
I am stuck on a problem. Can Somebody tell me what the next number is in the pattern 9,11,15,20,25?
1. 1 answer
2. 318 views
A volume of 40.0 of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What
1. 1 answer
2. 746 views
You invent a new system to make excellent racing tires for the Indianapolis 500/ Your tires are good for an average of 105
1. 1 answer
2. 515 views
Assume you construct a new water tower for a town water supply. Assume the tank is in the shape of a sphere with a diameter of
1. 2 answers
2. 1,195 views
Concentrated hydrochloric acid has a concentration of 12.1 moles per liter. how many milliliters of the concentrated acid should
1. 1 answer
2. 650 views
What volume of solution do you have if you know you dissolved 0.0500g nitric acid to make solution that was determined to be
1. 1 answer
2. 557 views
Where did Eva's family live in the book Uncle Tom's Cabin?
1. 2 answers
2. 560 views
Calculate the pressure in an evacuated 250. mL container at 0.00 degrees C if 3.20 cm^3 of liquid oxygen evaporates. Assume that
1. 1 answer
2. 1,022 views
How many moles of a gas do you have if it is under 800.mmHg of pressure in a 500.mL flask at a temperature of 32 degrees
1. 1 answer
2. 408 views
Triangle UVW is the pre-image of triangle RST with a scale factor of 3. Find the area of triangle UVW if the area of triangle
1. 1 answer
2. 1,068 views
Given the unbalanced equation:(NH4)2 CO3-> NH3 + CO2 + H2O Calculate the mass of ammonia gas that is produced if 1.25g of
1. 1 answer
2. 1,605 views
Calculate how many grams of the product(s) would be produced by complete reaction of 0.125 mole of the first reactant.CaCO3 +
1. 1 answer
2. 850 views
Calculate how many moles of products(s) would be produced if 0.500 mole of the first reactant were to react completely.BaCl2 +
1. 1 answer
2. 908 views
Balance the equation.Cu + HNO3 --> Cu(NO3)2 + NO2 + H2O I'm having a little trouble getting this equation to balance. Thank you
1. 1 answer
2. 1,568 views
A limiting reactants problem.6.32g of sodium sulfate is reacted with 12.03g of barium nitrate. How many grams of the precipitate
1. 2 answers
2. 740 views
What is the density of CO2 at STP in g/L?How would I do this problem using dimensional analysis?
1. 1 answer
2. 435 views
Why are the results of an independent samples test different from the results of a Tukey HSD test on the same data?
1. 1 answer
2. 498 views
What is the Henderson-Hasselbach equation? Use the equation to determine the ratio of [A-] to [HA] necessary to create an
1. 2 answers
2. 692 views
Why can a buffer be created by the addition of sodium hydroxide to acetic acid, but not from the addition of sodium hydroxide to
1. 1 answer
2. 450 views
If you need 240 oz of paint to cover 1200 in. How much paint do you need to cover 2000 in.?
1. 2 answers
2. 931 views
Suppose you have a supply of the following metals: Fe, Ni,Sc, Cr, Au, K. Which of there could be mixed to make substitutional
1. 0 answers
2. 630 views
Suppose MgSe(a=545 pm) and SrSe (a=623 pm) both crystallize with a NaCl (rock salt) structure. Calculate the ionic radius of
1. 0 answers
2. 646 views
Consider an atom of Xenon. How many electrons in this atom...a) have the quantum number of l=2 b) have the quantum number of
1. 4 answers
2. 3,081 views
11. What are the implications of using a sample that is too big or a sample that is too small?How big is big enough?
1. 1 answer
2. 342 views
10. Using a table of random numbers, select six names from the following list of 10: Michael Susan Sara Kent Selma Harriet
1. 1 answer
2. 466 views
9. How should a greater amount of variability within groups and a smaller difference between groups affect sample size?
1. 1 answer
2. 415 views
With a population of 10,000 children (50% boys and 50% girls, 70% white and 30% nonwhite, and 57% single-parent family and 43%
1. 3 answers
2. 673 views
What is the easiest way to reduce sampling error? What is the relationship between sampling error and the generalizability of
1. 1 answer
2. 750 views
5. What is the difference between a probability and a nonprobability sampling strat- egy? Provide an example of each. Also, what
1. 1 answer
2. 455 views
4. What's wrong with this scenario? An experimenter is interested in better under- standing why some people love fast food and
1. 1 answer
2. 586 views
1. You are the head researcher on a study that is tracking vocational preferences from high school through middle adulthood.
1. 4 answers
2. 878 views
Find all solutions of the equation in the interval [0,2pi] algebraically.sin^2x + cosx + 1 = 0
1. 1 answer
2. 565 views
Statuary Hal is an elliptical room in the U.S. Capitol. Teh room is also called the Whispering Gallery because a person standing
1. 2 answers
2. 3,128 views
Find all the solutions of the following triangle using the Law of Sines.Angle A: 83°20' Angle C: 54.6° c: 18.1 How would I
1. 1 answer
2. 665 views
Can you please check this to see if my grammar is correct. Thank you :)Thank you for all that you have done & continue to do,
1. 1 answer
2. 579 views
Use the properties of logarithms and trigonometric identities to verify the identity.ln|cot x| = ln|cos x| - ln|sin x| I have no
1. 1 answer
2. 769 views
A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99%
1. 0 answers
2. 771 views
One of the stages of economic growth is capital intensive, where wealth is created through the efficient use of money and
1. 0 answers
2. 855 views
In the winter sport of curling, players give a 20 kg stone a push across a sheet of ice. A curler accelerates a stone to a speed
1. 1 answer
2. 3,631 views
A 25 kg child slides down a playground slide at a constant speed. The slide has a height of 3.0 m and is 7.0 m long. Using
1. 2 answers
2. 8,866 views
2 hours after a given drug has been administered there is only 75% of it left in the body. a. What percentage of it leaves the
1. 0 answers
2. 1,011 views
Please try to be clear in your explanation!!A swimmer bounces straight up from a diving board and falls feet first into a pool.
1. 2 answers
2. 1,314 views
~I got a and b right but c i can't figure outFreight trains can produce only relatively small acceleration and decelerations.
1. 2 answers
2. 873 views
At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.500 m/s2.(a) How far does she travel in the
1. 5 answers
2. 536 views
Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin
1. 1 answer
2. 1,653 views
I need to convert 0.17mg of NaCl to formula mass units. How would I go about that?
1. 2 answers
2. 395 views
The Python snake climbed 10 feet up a 12 foot tree and the boa constrictor snake climbed 16 feet up an 18 foot tree. Write the
1. 2 answers
2. 543 views
A car starts from rest and accelerates for 2.8 s with an acceleration of 2.1 m/s2.How far does it travel? Answer in units of m
1. 1 answer
2. 505 views
What do you think is an efficient way to study for the ACT on your own?
1. 1 answer
2. 374 views
Multiple ChoiceEscoge el mandato correcto para las siguientes oraciones. Nota el tono, formal o informal. 6. Chicas por favor
1. 4 answers
2. 721 views
MATCHINGEncuentra la definición apropiada para los siguientes términos del vocabulario. Choices A) dar por sentado B)
1. 4 answers
2. 623 views
1) El aire de las ciudades grandes (blank) lleno de contaminantes.A) es B) está C) hay D) había 2) La conferencia para la
1. 2 answers
2. 681 views
Nobody wants to go with me.A) no va alquien conmigo. B) no quiere ir conmigo C) quiere ir nadie conmigo D) no quiere ir nadie
1. 2 answers
2. 537 views
How many liters of 12.3 molar NaOH stock solution will be needed to make 12.4 liters of a 1.2 molar NaOH solution?
1. 1 answer
2. 468 views
A cylinder of oxygen has a gauge pressure of 2000psi and a volume of 16L at 70 degrees F. If the oxygen is used as a constant
1. 0 answers
2. 1,251 views
A cylinder of oxygen has a gauge pressure of 2000psi and a volume of 16L at 70 degrees F. If the oxygen is used as a constant
1. 0 answers
2. 624 views
A helium atom weighs 6.65 X 10 to the negative 24 grams. How many helium atoms are contained in a 1.0 g sample?
1. 1 answer
2. 1,061 views
What is the fundamental frequency, the first three overtones of an organ pipe that is 100cm in length ans is closed on one end
1. 2 answers
2. 1,678 views
If one machine creates a level of 90 decibels, what decibel level would be generated by 50 of these machines? If sounds are
1. 2 answers
2. 593 views
solve csc^2x=3 for all possible solutions
1. 0 answers
2. 324 views
PLEASE HELP-DUE APRIL 5TH, 2011!!!!EARTHQUAKES an earthquake rated at 3.5 on the Richter scale is felt by many people, and an
1. 2 answers
2. 2,622 views
PLEASE HELP WITH THIS-ITS DUE APRIL 5TH, 2011!!!During a past epidemic, the number of infected people increased exponentially
1. 1 answer
2. 584 views
A meter stick has a mass of 200g and its center of gravity is at the 50.0 cm mark. If 150g is attached to the stick at the 10 cm
1. 0 answers
2. 913 views
We are learning how to solve systems using elimination.2y - 1 = 3x - y / 5 3x - 4 / 8 = y/4 How would I begin to solve this? I'm
1. 1 answer
2. 525 views
What is the minimum speed that a roller coaster must have so that the people do not fall out at the top of the circle in an
1. 1 answer
2. 1,380 views
What is the minimum speed a 3,200 pound car can have on a flat road when going around a curve with a radius of 300ft. Take the
1. 1 answer
2. 471 views
Fill in the blanks below with ↑ to indicate an increase in the variable or with ↓ to indicate a decrease in the variable.
1. 0 answers
2. 1,062 views
A river 99.1 m wide flows toward the south at 31.5 m/min. A girl on the west bank wishes to reach the east bank in the least
1. 0 answers
2. 611 views
A plane is headed due west with an air speed of 221 m/s. The wind blows south at 37.5 m/s. Find the velocity of the plane
1. 0 answers
2. 954 views
A man can row a boat at a speed of 4.40 km/h in still water. If he is crossing a river where the current is 2.45 km/h, in what
1. 1 answer
2. 569 views
Consider:C6H12)6 + 6O2-> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of
1. 3 answers
2. 1,613 views
I would like to have 1 mole of Cl- ions in 500ml of water, how many grams of NaCl do I weigh out for this solution?
1. 1 answer
2. 434 views
We are doing a small group project and my group members and I are very confused. The project description:Using the variables
1. 1 answer
2. 477 views
We are doing a small group project and my group members and I are very confused. The project description:Using the variables
1. 0 answers
2. 486 views
a baseball player hits sa pitch when the ball is 2 feet off the ground. two hundred feet from the plate, the ball reaches its
1. 1 answer
2. 691 views
find the amount of money in a bank account given the following conditions. Initial deposit= $2000, annua rate= 5.5%, time= 4
1. 1 answer
2. 479 views
solve the formula for specified variableV=BQT for B B = ____
1. 2 answers
2. 1,127 views
What plant did the greeks use as a digestive tonic when they had overeaten other foods?
1. 1 answer
2. 393 views
Compare and contrast the British and American conduct of the Revolutionary War. How did each side propose to win, how realisttic
1. 1 answer
2. 800 views
Need to know how to figure out the volume of temperature kelvin?
1. 0 answers
2. 414 views
can you please tell me if this passage is correct? I am looking for 20 grammatical errors... what am I missing?Why are great
1. 2 answers
2. 656 views
Using factoring by grouping, how would you factor these out.4t^2+3t-4t-3 3t^2-1t-3t+1
1. 0 answers
2. 1,038 views
Using factoring by grouping, how would you factor these out.4t^2+3t-4t-3 3t^2-1t-3t+1 Thank you
1. 0 answers
2. 443 views
I'm doing a persuasive speech on why people should donate blood. What would a good title be?
1. 1 answer
2. 422 views
Write the ratio in each case:6 in to 3ft I don't understand how the answer is 1/6. What do you do to get that? 50 hours to 3
1. 1 answer
2. 1,008 views
A cube of oak with sides 15cm long floats upright in water with 10.5cm of its depth submerged. What is the density of the oak?
1. 2 answers
2. 4,003 views

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