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Questions Asked on March 2, 2008

Fig. 6-48 shows a conical pendulum, in which the bob (the small object at the lower end of the cord) moves in a horizontal
1. 2 answers
2. asked by greg
3. 6,242 views
A 550 turn solenoid is 15 cm long. The current in it is 33 A. A 3.0 cm long straight wire cuts through the center of the
1. 2 answers
2. asked by jenish
3. 4,695 views
A man lifts a 21.1 kg bucket from a well and does 3.1 kJ of work. How deep is the well? Assume that the man lifts the bucket at
1. 3 answers
2. asked by Julia
3. 4,591 views
A man pulls a crate of mass 53.0 kg across a level floor. He pulls with a force of 180.0 N at an angle of 28.0° above the
1. 4 answers
2. asked by Courtney
3. 3,358 views
A 2500kg car is travelling due west at 30m/s when the brakes are applied, exerting a force of 5000 N [E]. What is the car's
1. 2 answers
2. asked by Marty
3. 3,081 views
The speed of a transverse wave on a string is 450 m/s, while the wavelength is 0.18m. The amplitude of the wave is 2.0mm. How
1. 2 answers
2. asked by Loretta
3. 2,961 views
I have a sentence: langston hughes who lived from 1902 to 1967 read works by the great twentieth century midwestern poets vachel
1. 2 answers
2. asked by Sushinetavia
3. 2,667 views
A patient has been instructed to take 15ml of alumina and magnesium oral suspension every other hour for four doses daily. How
1. 1 answer
2. asked by melissa
3. 2,402 views
Write a quadratic equation with -3/4 and 4 as its roots. Write the equation in form ax^2+bx+c=0, where a,b,and c are integers.(x
1. 2 answers
2. asked by Jon
3. 2,373 views
A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x.Can anyone please teach me how to find its
1. 3 answers
2. asked by Lusi
3. 2,128 views
225 mg sample of diprotic acid is dissolved in enough water to make 250mL solution.the pH of this solution is 2.06. a saturated
1. 5 answers
2. asked by timmathy
3. 1,840 views
Find a unit vector which is perpendicular to both of the vectors4i + 2j - 3k and 2i - 3j + k.
1. 3 answers
2. asked by Wanda
3. 1,650 views
a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim
1. 2 answers
2. asked by polly
3. 1,636 views
In your room are things such as tables, chairs and other people. Which of these things has a temperature lower than air? Greater
1. 1 answer
2. asked by Rachel
3. 1,550 views
write the formulas and give the names of the compounds formed by the following ions a) Cr^2+ and F^- b) Ni^2+ and O^2 and c)
1. 1 answer
2. asked by john
3. 1,436 views
Determine the equation of any vertical asymptotes and the value of x for any holes in the graph: f(x)= x^2-11x+18/x-2.I factored
1. 2 answers
2. asked by Lucy
3. 1,428 views
a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim
1. 0 answers
2. asked by polly
3. 1,391 views
Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on
1. 2 answers
2. asked by sTELLA
3. 1,388 views
Write an equation for the parabola with focus (1,3) and vertex (0,3).I cannot find any example in my book that works a problem
1. 1 answer
2. asked by Lucy
3. 1,356 views
Two fair coins are flipped simultaneously. This is done repeatedly until at least one of the coins comes up heads, at which
1. 3 answers
2. asked by Anonymous
3. 1,338 views
How many capsules, each containing 250mg, are needed to provide 50mg/kg/day for 10 days for a person weighing 176 pounds?
1. 1 answer
2. asked by melissa
3. 1,331 views
Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5.vertex = 1/2 axis = 1/2 direction = up
1. 3 answers
2. asked by Jon
3. 1,328 views
The local video store has determined that 65% of the store's customers are women. What is the probability that the next 3
1. 2 answers
2. asked by Mike
3. 1,255 views
what colors of ink do color ink -jet printers use to produce a full range of colors? do the colors form by color addition or by
1. 1 answer
2. asked by sam
3. 1,211 views
A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide
1. 1 answer
2. asked by Anonymous
3. 1,209 views
If you put up $28,000 today in exchange for an 8.25%, 15-year annuity, what will the annual cash flow be?The answer I came up
1. 1 answer
2. asked by Lisa
3. 1,195 views
Suppose the amplitude and frequency of a transverse wave are, respectively, 1.3cm and 5.0Hz. Find the total vertical distance
1. 2 answers
2. asked by Helen
3. 1,195 views
A STUDENT SAID THAT 3^5 / 9^5 IS THE SAME AS 1/3 . WHAT MISTAKE HAS THE STUDENT MADE ?
1. 3 answers
2. asked by mota
3. 1,191 views
consider two successful small businesses.Outline what it is about the way tey satisfy their customers'wats and needs to makes
1. 1 answer
2. asked by sam
3. 1,072 views
Posted by motaTHE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ?
1. 4 answers
2. asked by mota
3. 1,072 views
Why do u think the vial of water in plain ice didn't freeze, bu the vial of water in salted ice did freeze??People put salt on
1. 10 answers
2. asked by Melony
3. 1,031 views
A boat is to be driven from a point on the South bank of a river which flows West-to-East to a destination on the North Bank.
1. 2 answers
2. asked by Anonymous
3. 1,019 views
determine if the series is absolutely convergent and convergentthe sum from n=1 to infinity of sin(n^2)/n^2 what series test
1. 1 answer
2. asked by sarah
3. 1,013 views
Determine the cell potential (in V) for a platinum electrode in an acidic solution of 0.004M H+(aq), 3.226M ClO4-(aq) and 4.445M
1. 0 answers
2. asked by Matt
3. 995 views
Twice a number is 60 times more than 5 times the number. what is the number
1. 1 answer
2. asked by morgan
3. 967 views
What is the official name of our system of measurement in America? AllI ever hear about is the metric system, but I don't know
1. 5 answers
2. asked by Ellie
3. 860 views
The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis.a) Set up and
1. 0 answers
2. asked by leess
3. 860 views
You're explaining to a younggster at the seashore why the water is cyan colored.The youngster points to the whitecaps of
1. 1 answer
2. asked by ann
3. 845 views
Find the exact solutions to 6x^2+x+4=0 by using the quadratic formula.x=-b+-sqrtb^2-4ac/2a -1+-sqrt1^2-4(6)(4)/2(6)
1. 6 answers
2. asked by Jon
3. 825 views
A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two
1. 0 answers
2. asked by jenish
3. 783 views
A 4.5 g bullet is stopped in a block of wood (m= 5.04 kg). The speed of the bullet-plus-wood combination immediately after the
1. 1 answer
2. asked by Marcy
3. 762 views
A pilot must fly his plane to a town which is 200km from his starting point in a direction 30degrees N of E. He must make the
1. 3 answers
2. asked by Anonymous
3. 756 views
What other interesting scientific information can youfind associated the topic? peniciilin
1. 3 answers
2. asked by mike
3. 755 views
what is the integral of (x^2-x+6)/(x^3-3x)?the process involves partial fractions, and the answer is supposed to include ln and
1. 2 answers
2. asked by belinda
3. 752 views
Counting by ones, counting by tens, and counting by groups and singles:I was rather curious about how these methods of counting
1. 1 answer
2. asked by Tee
3. 746 views
I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008)1. Cyanogen
1. 7 answers
2. asked by T
3. 729 views
A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide
1. 0 answers
2. asked by Anonymous
3. 716 views
need to know where to find the book the wreck of the zanzibar by micheal morpurgo
1. 1 answer
2. asked by katie
3. 698 views
I have no idea how you would do this problem: Express this expression as a rational number in lowest terms.(1000!-999!-998!)/(10
1. 4 answers
2. asked by Katie
3. 697 views
What is the effect of enzyme concentration on enzyme activity? Explain how enzyme activity changes as enzyme concentration
1. 1 answer
2. asked by Anonymous
3. 694 views
After a car is driven for some distance, why does the air pressure in the tires increase?
1. 1 answer
2. asked by Rachel
3. 676 views
Posted by mota on Saturday, March 1, 2008 at 3:34am.THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW
1. 1 answer
2. asked by mota
3. 676 views
Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis
1. 4 answers
2. asked by Lucy
3. 672 views
I did the math for the previous problem I posted, using this formula: -b+ or - the square root of b^2-4ac/2a. When I did this
1. 3 answers
2. asked by Sharon
3. 658 views
The ratio of cars to people in Australia is 350 to 1000. Write this ratio as a fraction in simplest form.
1. 1 answer
2. asked by Brandon Mirza
3. 658 views
Write y= -4x^2+8x-1 in vertex form.y= (-4x^2+8x+2+16)-1+2+16 y= (-2x+4)^2+17 (answer)
1. 1 answer
2. asked by Jon
3. 645 views
How do scientists contribute to quartz watches?
1. 1 answer
2. asked by jonh
3. 643 views
Can someone explain to me how I'd draw this problem and what the resultant vector should be as well as the placements of the
1. 1 answer
2. asked by Anonymous
3. 642 views
-----If: sin(3pi / 10) = (1 + squareroot 5) / 4 Find the exact value of cos(pi / 5) ----- Thankyou very much. Of course, all
1. 1 answer
2. asked by sqleung
3. 641 views
Hi,I am trying to solve graphing quadratic equations. One of the problems is written as -x^2= -2x-1. So if I wanted to put this
1. 3 answers
2. asked by Sharon
3. 639 views
An antibiotic is reconstituted with 128ml of water to yield 250mg/5ml.A) If the child weighs 66 pounds what will the dose be at
1. 2 answers
2. asked by melissa
3. 635 views
I have a few questions, if anyone can help me at all it would be amazing. i need this done by TOMORROW (03/03/2008)1. Cyanogen
1. 1 answer
2. asked by T
3. 633 views
10 good business ideas
1. 1 answer
2. asked by jonh
3. 630 views
I need help finding a suffix word forier- ne- ious- es- s- uous- I need a prefix word for franco- Can anyone help me
1. 7 answers
2. asked by Taylour
3. 627 views
Solve x^2-2x=24 by factoring.x^2-2x=24 x^2-2x-24=0 (x-2)^2 (x+6)=0 x=2 or x=-6 [-6,2](answer)
1. 5 answers
2. asked by Jon
3. 620 views
Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on
1. 0 answers
2. asked by Stella
3. 614 views
what is the integral of x^2-x+6/x^3-3x?the process involves partial fractions, and the answer is supposed to include ln and
1. 1 answer
2. asked by belinda
3. 611 views
A car (m = 640.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 43.0 m. Find
1. 2 answers
2. asked by beth
3. 605 views
List the destructive natures of a cockroach.Describe the life-cycle of a cockroach.
1. 2 answers
2. asked by kavita
3. 603 views
^5 squareroot of x^20*my answer x^4 ^3 squareroot of 729/343 my answer: couldn't figure it out use rational exponents to write
1. 1 answer
2. asked by reuben
3. 597 views
A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x.Can anyone please teach me how to find its
1. 4 answers
2. asked by Lusi
3. 595 views
The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis.a) Set up and
1. 0 answers
2. asked by PLEASE HELP!
3. 585 views
plz answerwhar are quantitative properties? Which states of matter are considered fluids? list 4 properties of fluids? thankz
1. 2 answers
2. asked by plz help
3. 584 views
How can a child who has not yet developed base-ten concepts understands quantities as large as, say, 85?Contrast this with a
1. 0 answers
2. asked by Tee
3. 580 views
for each series determine if the series is absolutely convergent and convergentthe sum from 0 to infinity of (-1)^n/(the square
1. 1 answer
2. asked by sarah
3. 579 views
determine if the series is absolutely convergent and convergent.the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the
1. 0 answers
2. asked by sarah
3. 578 views
Solve 2x^2=3x+2 by graphing. If excat roots cannot be found, state the consecutive integers between which the roots are located.
1. 2 answers
2. asked by Jon
3. 568 views
how does one determine the mass and volume of a small but heavy rock? what tools could i use? what would be the units of measure
1. 1 answer
2. asked by polly
3. 565 views
determine if the series is absolutely convergent and convergent.the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the
1. 1 answer
2. asked by sarah
3. 564 views
At the time of the ratification of the Constitution, there was a debate over the need for a standing army. Where can I find
1. 0 answers
2. asked by Joey
3. 562 views
Identify the vertex, axis of symmetry, and direction of opening for y=2(x+3)^2-5y = |2x+3|^2-5 h = 3 k = -5 vertex = (3,-5) axis
1. 3 answers
2. asked by Jon
3. 559 views
what types of scientists are involved in penicillin?
1. 1 answer
2. asked by jonh
3. 557 views
why dose the blood of an injured deep-sea divers look greenish-black in underwater photographs taken with natural light, but red
1. 1 answer
2. asked by ann
3. 554 views
I am trying to run the following program and am getting this error:java.util.InputMismatchException import java.io.*; import
1. 0 answers
2. asked by Mike
3. 553 views
what scientist are in involved with this topic? Penicillin
1. 1 answer
2. asked by mike
3. 550 views
What two classification groups are used in the scientific name?
1. 1 answer
2. asked by TeeWee
3. 544 views
Beginning with a tank containing 8075 gallons of gasoline, more gas is added at a rate of 5 gallons per minute, while alcohol is
1. 1 answer
2. asked by Anonymous
3. 542 views
what is livestoch farm?list 10 ways that animals are used for domestic purposes or otherwise. thank-you
1. 3 answers
2. asked by kavita
3. 539 views
A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the
1. 1 answer
2. asked by Andrea
3. 538 views
A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the
1. 1 answer
2. asked by Andrea
3. 536 views
what are a few examples of Technology use in American Schools from the 1980s to the persent
1. 2 answers
2. asked by BRAD M.
3. 532 views
How do scientist contribute penicillin?
1. 1 answer
2. asked by sam
3. 531 views
A picture of a yummy food presentation of any sort?can u please help me find some?
1. 1 answer
2. asked by james
3. 528 views
for the series is absolutely convergent and convergentthe series from 1 to infinity of (x^3)/(5^x) i did the ration test and get
1. 0 answers
2. asked by sarah
3. 525 views
Solve: -x^4 + 200 = 102x^2
1. 2 answers
2. asked by Jon
3. 524 views
^440 squareroot (a+b)^440my answer: |a+b| add. squareroot 7a + 4 squareroot 28a^3 ?
1. 2 answers
2. asked by reuben
3. 519 views
A catalyst does not change the ______ of the reaction.a. mechanism b. enthalpy c. energy of activation d. rate
1. 1 answer
2. asked by Sef
3. 518 views
How is science related to penicillin?
1. 2 answers
2. asked by sam
3. 516 views
The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object?Can I use the
1. 1 answer
2. asked by Marty
3. 503 views
Why dose a white piece of paper appear white in white light,red in red light,blue in blue light and so on for all colors?
1. 1 answer
2. asked by sam
3. 496 views

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