Archives
2012
September

Questions Asked on September 21, 2012

How many significant figures does 22.0, 0.22, 22. , 0.022?Im just confused as to the decimal addition to numbers and what the
1. 4 answers
2. asked by Sally
3. 5,272 views
A person climbs from a Paris metro station to the street level by walking up a stalled escalator in 96.5 s. It takes 60.0 s to
1. 1 answer
2. asked by Laura
3. 1,732 views
a coffee company wants a new flavor of cajun coffee. how many pounds of coffee worth $10 a pound should be added to 20 pounds of
1. 1 answer
2. asked by bashi
3. 3,839 views
A car is moving in the +x direction with the following position equation of motion: x = 5.41(m/s)t - 2.7(m/s^2)t^2.(a) What is
1. 1 answer
2. asked by arcos15
3. 462 views
A car is moving in the +x direction with the following position equation of motion: x = 5.41(m/s)t - 2.7(m/s^2)t^2.(a) What is
1. 1 answer
2. asked by arcos15
3. 540 views
why is nh3polar but bacl2 non polar
1. 0 answers
2. asked by Bijay
3. 464 views
A shot-putter throws the shot with an initial speed of 15.5m/s at a 34 degree angle to the horizontal. calculate the horizontal
1. 2 answers
2. asked by Anonymous
3. 5,367 views
A roof tile falls from rest from the top of a building. An observer inside the building notices that it takes 0.12 s for the
1. 1 answer
2. asked by Anonymous
3. 1,053 views
A 3-ounce serving of tuna fish provides 24 grams of protein. How many grams of protein are in a 10-ounce serving of tuna fish?
1. 2 answers
2. asked by Karen
3. 2,110 views
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current
1. 0 answers
2. asked by Bob
3. 632 views
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current
1. 1 answer
2. asked by Bob
3. 602 views
For communication to take place, there has to be:A. transmission of the message. B. medium. C. sharing of meaning. D. absence of
1. 1 answer
2. asked by Anonymous
3. 381 views
You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the
1. 2 answers
2. asked by JUAN911
3. 1,023 views
a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a
1. 1 answer
2. asked by Carl
3. 467 views
A 1560 kg car is traveling with a speed of 14.5 m/s. What is the magnitude of the horizontal net force that is required to bring
1. 1 answer
2. asked by Kellie
3. 424 views
An object moves in the +x direction at a speed of 30 m/s. As it passes through the origin, it starts to experience a constant
1. 1 answer
2. asked by arcos15
3. 749 views
A juggler performs in a room with a ceiling 2.71 m above hand level. What is the maximum upward speed (in m/s) which she can
1. 0 answers
2. asked by arcos15
3. 514 views
A car is traveling at a constant negative velocity of 12.0 m/s. The driver steps on the brakes. The car slows to a stop. The car
1. 0 answers
2. asked by arcos15
3. 713 views
The numerator of a fraction is four less than the denominator The sum of the fraction and its reciprocal is 5/2 Find the
1. 2 answers
2. asked by Anonymous
3. 1,519 views
The numerator of a fraction is four less than the denominator The sum of the fraction and its reciprocal is 5/2 Find the
1. 1 answer
2. asked by Anonymous
3. 537 views
The time you wait in a bank until you are served by a teller is exponentially distributed with mean 10 minutes. Calculate the
1. 1 answer
2. asked by Teniche
3. 560 views
benjie spent 1/3 of his money on clothes and 1/4 of the remainder on food. if he had 180 pesos left, how much did he have first?
1. 3 answers
2. asked by jeri
3. 3,484 views
Any websites for study guides for drivers ed?
1. 1 answer
2. asked by Unknown
3. 415 views
A woman at an airport is towing her 17.0 kg suitcase at constant speed by pulling on the strap at an angle θ above the
1. 0 answers
2. asked by sean
3. 677 views
a lead bullet at 100C strikes a steel plate and melts. what was its maximum speed? the specific heat of lead is 0.13 kJ/kg C
1. 0 answers
2. asked by Anonymous
3. 752 views
what is the square and square root of zero
1. 1 answer
2. asked by edward
3. 300 views
what is the graph of potential energy and kinetic energy against distance?
1. 1 answer
2. asked by edward
3. 422 views
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.6 m/s at an angle of 30 degrees above the
1. 2 answers
2. asked by Anonymous
3. 5,112 views
The pH of 0.02M solution of a weak acid was measured at 7.6. What is the [OH-] in thissolution? B) The Ka for benzoic acid is
1. 1 answer
2. asked by Emma
3. 565 views
Please explain the Voting Rights Act of 1965
1. 8 answers
2. asked by Vicky
3. 791 views
How many hydrogen bonds can an ethanol molecule form to neighboring water molecules ? Why?
1. 1 answer
2. asked by Lisa
3. 1,189 views
Solve the following system using Gauss's algorithm(a) x1 + 2x2 + 4x3 + 6x4 = 3 2x1 + x2 + 3x3 = -6 -2x1 + x2 + 6x3 + 4x4 = -11
1. 3 answers
2. asked by Robert
3. 1,324 views
how to prepare 0.100M HCL solution when laboratory grade concentrated by hydrochloric acid has concentration of 37%.what volume
1. 0 answers
2. asked by Qyla
3. 491 views
A two-tailed test is conducted at the 5% significance level. What is the P-value required to reject the null hypothesis?Answer:
1. 1 answer
2. asked by LWatson
3. 769 views
Using the equation 4Fe + 3O2 -> 2Fe2O3, calculae the total mass of oxgen needed to react wih all of 0.55 g of iron.
1. 2 answers
2. asked by Chelsey
3. 1,128 views
A two-tailed test is conducted at the 5% significance level. What is the right tail percentile required to reject the null
1. 0 answers
2. asked by Anonymous
3. 437 views
If a yo yo has a speed of 3 m/s at the top of the circle, whose radius is 80 cm, What is its speed at the bottom
1. 1 answer
2. asked by Andtrew
3. 349 views
A two-tailed test is conducted at the 5% significance level. What is the right tail percentile required to reject the null
1. 0 answers
2. asked by Anonymous
3. 405 views
how much negative work is done by friction on a 2000-kg car if you slow down from 20 m/s to 10 m/s?
1. 1 answer
2. asked by Anonymous
3. 341 views
A two-tailed test is conducted at the 5% significance level. What is the right tail percentile required to reject the null
1. 0 answers
2. asked by Anonymous
3. 425 views
A music club sends you an advertisement. You select ten "free" downloads and agree to become a member. When you get your free
1. 1 answer
2. asked by Joe
3. 1,048 views
B. Telephones S.'s store and orders certain goods that S. delivers to B. Neither party says anything about the price or payment
1. 1 answer
2. asked by Joe
3. 350 views
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who
1. 0 answers
2. asked by Anonymous
3. 764 views
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who
1. 0 answers
2. asked by LWatson
3. 799 views
The journal entry to record the withdrawal of cash by Sue Snow, the owner, to pay a personal utility bill would include a debit
1. 1 answer
2. asked by t
3. 703 views
15(5x -4)2^(1) -10(5x - 4)
1. 0 answers
2. asked by amala
3. 231 views
suppose 45 students in an organization are male and 55 are female. Ten females and 15 males in the organization are graduating
1. 1 answer
2. asked by nitz
3. 788 views
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The
1. 1 answer
2. asked by Adam
3. 886 views
Suppose the president is attempting to decide whether the federal gov should spend more research to find a cure for heart
1. 1 answer
2. asked by jamma
3. 1,160 views
give the image for r= sin1/2theta
1. 0 answers
2. asked by sin
3. 280 views
How are the UCC requirements different for a merchant versus a nonmerchant
1. 0 answers
2. asked by at
3. 342 views
the spreadsheet shows the monthly revenue and expenses for a new business.use the models to predictt the month in which revenue
1. 9 answers
2. asked by lilman
3. 6,503 views
Which exponent makes the statement true?
1. 0 answers
2. asked by Anonymous
3. 586 views
In the graph of y=kx^2 what type of number is k?I think it's the rate of change but I'm not sure
1. 1 answer
2. asked by SoccerStar
3. 454 views
A ball is thrown from a point 1.38 m above the ground. The initial velocity is 19.9 m/s at an angle of 33.8° above the
1. 1 answer
2. asked by Laura
3. 473 views
A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of
1. 1 answer
2. asked by maria
3. 617 views
Please post a 150-300-word response to the following discussion question by clicking on Reply. What are some of the challenges
1. 2 answers
2. asked by paul
3. 592 views
A car decelerates from 30 m/s and rests at 6 seconds in a period of 5 m/s. How far did the car travel during that time.
1. 0 answers
2. asked by Anonymous
3. 336 views
A 28.4288 g sample of impure magnesium car-bonate was heated to complete decomposition according to the equation MgCO3(s) !
1. 1 answer
2. asked by Brett
3. 557 views
I have 3 I don't understand how to do.A 33.2 g of iron ore is treated as follows. The iron in the sample is all converted by a
1. 2 answers
2. asked by Brett
3. 933 views
Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the
1. 0 answers
2. asked by Maury
3. 639 views
how many grams of carbon dioxide can be produced by burning 7.04moles of propane
1. 1 answer
2. asked by gabrielle
3. 550 views
2x+4 (2x+6) I did this and ended up with a decimal number. I distributed then combined like terms.
1. 1 answer
2. asked by sara
3. 256 views
the uneven distribution of population in russia is due to;a.government laws about housing. b.the country's level of economic
1. 1 answer
2. asked by Anonymous
3. 511 views
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the
1. 0 answers
2. asked by Kelly
3. 750 views
A 3 lb bucket containing 40 lb of water is hanging at the end of a 20 ft rope that weighs 4 oz/ft. The other end of the rope is
1. 0 answers
2. asked by Anonymous
3. 1,268 views
A ball is thrown vertically upward with a speed of 15.0 m/s.(a) How high does it rise? (b) How long does it take to reach its
1. 1 answer
2. asked by Kelly
3. 755 views
In 1865, Jules Verne proposed sending men to the Moon by firing a space capsule from a 220-m-long cannon with final speed of
1. 2 answers
2. asked by Kelly
3. 4,043 views
the world record for the 100 meter butterfly swim set in 1999 was 51.81 sec. What was the average rate per second? thx:)
1. 1 answer
2. asked by hannah
3. 434 views
the world record for the 100 meter butterfly swim set in 1999 was 51.81 sec. What was the average rate per second?
1. 1 answer
2. asked by Carly
3. 419 views
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 3.00 s.(a)
1. 1 answer
2. asked by Kelly
3. 1,130 views
How Do I Do An Expanded Algorithm For 23x17 ?
1. 1 answer
2. asked by Bobby
3. 754 views
There are many human-caused losses of biodiversity, such as habitat destruction and introduction of invasive species. Are there
1. 1 answer
2. asked by Dolphin69
3. 1,573 views
I'm Molly Whuppie in my school's production of Great American Tall Tales. They didn't provide any character descriptions and I'm
1. 1 answer
2. asked by Kelsie
3. 435 views
Vacuum filtration is avoided when crystals are isolated from a very volatile solvent.why?
1. 2 answers
2. asked by david
3. 1,182 views
The suction of a vacuum filtration apparatus is broken before the vacuum is turned off.give reason.
1. 1 answer
2. asked by david
3. 1,434 views
An Erlenmeyer flask containing a hot solution is not tightly stoppered to prevent solvent loss during cooling. give reasons.
1. 2 answers
2. asked by david
3. 1,526 views
A hot recrystallization solution is not filtered unless absolutely necessary.give reason.
1. 1 answer
2. asked by david
3. 2,025 views
Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus
1. 2 answers
2. asked by rose
3. 567 views
Evaluate [r]; i.e., the units of r, in the expressionr =v (s - a) (s - b) (s - c)/s where s =.5 (a + b + c) , and a, b, and c
1. 1 answer
2. asked by hello
3. 1,356 views
i need 5 major events that occurred during presidency of Franklin pierce. And i need 3 major accomplishments during presidency
1. 3 answers
2. asked by james
3. 526 views
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on
1. 1 answer
2. asked by Anonymous
3. 935 views
Annette wanted to buy new carpet for her L-shaped room. Which two expressions could be used to calculate the area of her room?
1. 2 answers
2. asked by Makani
3. 419 views
Would you use a or an:A(n) Olympic Champion's signature.
1. 1 answer
2. asked by Jenny
3. 346 views
a bb gun has a muzzle velocity of 325 ft/sec. How long will it take the bb to hit the ground?How far will the bb travel?
1. 3 answers
2. asked by Isis
3. 366 views
I was able to solve (e), this is the only one I don't get.Determine whether the series is convergent or divergent and say what
1. 3 answers
2. asked by Paul
3. 452 views
if cotx+tanx=a and secx-cosx=b then prove that (a^2b)^0.6667 -(ab^2)^0.6667=1
1. 1 answer
2. asked by zohera
3. 886 views
What does the poet find ironic about her situation? In the poem In memory of M.B by Anna Akhmatova.
1. 1 answer
2. asked by Angelica
3. 447 views
I am trying to write a program to generate a diamond shape each line has odd number of circles. have created the left side of
1. 1 answer
2. asked by darrick
3. 531 views
The most difficult concept in this poem may be that of heaven being the old abode of loneliness. What do you think that means?
1. 1 answer
2. asked by anonymous
3. 441 views
A car is traveling at a constant negative velocity of 12.0 m/s. The driver steps on the brakes. The car slows to a stop. The car
1. 0 answers
2. asked by Natalie Delgado
3. 528 views
With the vital assistance of _______, Theodore Roosevelt established the first comprehensive nationalconservation policy. A.
1. 1 answer
2. asked by Abby
3. 456 views
if you have a cylinder is that is 3 1/2 in. diameter and 3 in. tall what is the total cubic inches
1. 1 answer
2. asked by rebecca
3. 817 views
Determine the polar form of the complex number 3 - 2i. Express the angle theta in degrees, where 0 < theta < 360°, and round
1. 1 answer
2. asked by Anne
3. 804 views
Does every moving body possess kinetic energy? Does every stationary body possess potential energy?
1. 1 answer
2. asked by maria
3. 1,425 views
You have reviewed the books of Anderson Incorporated and learned the following:1.) Quick Ratio is 1.4 2.) Current Ratio is 3.1
1. 0 answers
2. asked by Nk
3. 587 views
A block of aluminum with a volume of 98.5 cm3 absorbs 67.4 J of heat. If its initial temperature was 32.5°C, what is its final
1. 2 answers
2. asked by Alyssa
3. 1,112 views
1) On a plot of position x versus time t for an object’s motion, what corresponds to the object’s velocity at any given
1. 1 answer
2. asked by Liz
3. 1,160 views
tell whether the given rates are equilivent...32 ft/sec; 192 ft/min. ________________________________ 8.4 gal/day; 2 qt/hr..
1. 2 answers
2. asked by Carly
3. 301 views
8. Often applied to politicians, the term _______ suggests hiding one's feelings while obscuring or "spinning" facts.A. simulate
1. 2 answers
2. asked by jake
3. 574 views

Back to September 2012

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024