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Questions Asked on March 26, 2010

A flywheel of moment of inertia 0.32 kgm^2 is rotated steadily at 120rad/s by a 50 W electric motor. (i)find the kinetic energy
1. 1 answer
2. asked by Edwin
3. 4,889 views
A flywheel with an axle 1.0cm in diameter is mounted in frictionless bearings and set in motion by applying a steady tension of
1. 4 answers
2. asked by Edwin
3. 2,387 views
A plane progressive wave is represented by the equation: y= 0.1sin(200pi(t)-20pi(x/17) where y is the displacement in
1. 3 answers
2. asked by Edwin
3. 2,062 views
The Histology report showed adenocarcinoma. What type of information appears in this report?A. Tissue structure B. Presence of
1. 1 answer
2. asked by Brenda
3. 521 views
You are on Pluto and would like to send a probe into space so that it does not fall back to the surface. What minimum launch
1. 2 answers
2. asked by Laramie
3. 631 views
I need help finding the center and latus rectum of the equation: 3y^2 - 2y + x + 1 = 0
1. 0 answers
2. asked by dcw
3. 387 views
A credit Union pays 8.25% comppunded annually on 5-year compound-interest GICs. It wants to set the rates on its semiannulaly
1. 0 answers
2. asked by Thara!
3. 432 views
during the american revolution, the _______ remained loyal to england.
1. 1 answer
2. asked by sarah
3. 327 views
Mr. and Mrs.Eng's property taxes,accounting to $2450, are due on July 1. What amount should the City accept if the taxes are
1. 0 answers
2. asked by Thara!
3. 496 views
Florence can pay her golf membership dues with a single payment of $1500 at the beginning of the year or by paying $770 at the
1. 1 answer
2. asked by Thara!
3. 438 views
Two payments of $10,000 and $12,000 must be made 1 year and 4 years from now. If money can earn 9% compounded monthly, what
1. 1 answer
2. asked by Thara!
3. 575 views
How do i find the transformed equation of the hyperbola xy = 4 when rotated 45 degrees? I don't understand at all.my choices
1. 0 answers
2. asked by dcw
3. 520 views
4x^2-25y^2-8x-100y-196=0 how do i find the conic section to find the center?
1. 3 answers
2. asked by bbb
3. 1,179 views
What is the major axis and the domain of the equation 9x^2 + 16y^2 - 36x + 96y + 36 = 0 ?
1. 0 answers
2. asked by dcw
3. 583 views
Finding the domain ofG(X)=4/4-3X So would the domain be 3 then?
1. 1 answer
2. asked by KiKi
3. 380 views
particle 1 of mass m1 = 0.29 kg slides rightward along an x axis on a frictionless floor with a speed of 1.8 m/s. When it
1. 2 answers
2. asked by mike
3. 978 views
x^2+y ^2+ 4x + 6y - 12 = 0 how do i find the domain?
1. 2 answers
2. asked by mmm
3. 416 views
if antibiotics seem effective against a human illness, then this illness is probably caused by
1. 3 answers
2. asked by Anonymous
3. 613 views
Round each of the following numbers as specified.(a) 508.576 to the nearest hundredth ________________ (b) 508.576 to the
1. 2 answers
2. asked by Kirk
3. 654 views
9x^2 + 16y^2 - 36x + 96y + 36 = 0 how do i find the domain to this problem?
1. 0 answers
2. asked by ppp
3. 491 views
9x^2 + 16y^2 - 36x + 96y + 36 = 0 How do i find the major axis?
1. 1 answer
2. asked by mike
3. 1,459 views
Wheel’s Bicycle shop advertised a bicycle for 15% off for a savings of $36. The bicycle did not sell so itwas offered at a new
1. 3 answers
2. asked by Kirk
3. 560 views
The static pressure in a horizontal pipeline is 4.3 x 10^4 Pa, the total pressure is 4.7 x 10^4 Pa, and the area of
1. 1 answer
2. asked by Edwin
3. 977 views
(a+b)(a-2b)
1. 1 answer
2. asked by justin
3. 262 views
Given that y=2x62+px+16 and that y<0 only when 2<x<k, find the value of p and k
1. 0 answers
2. asked by Sean
3. 268 views
A 2.00g sample of a gas SX6 has a volume of 329.5 cm3 at 1.00 atm and 20 celcius. What element is X?
1. 1 answer
2. asked by Meg
3. 1,369 views
An Atwood machine is constructed using a disk of mass 2 kg and radius 20.1 cm.2.3 m= distance between weights 1.53 kg= weight 1
1. 2 answers
2. asked by Caryn
3. 1,201 views
A 16 kg mass is attached to a cord that is wrapped around a wheel with a radius of 10.9cm. The acceleration of the mass down the
1. 1 answer
2. asked by Caryn
3. 1,027 views
what are extraneous solutions of an equation? Why do they sometimes occur in the process of solving rational equations? examples
1. 1 answer
2. asked by sid
3. 749 views
A 190 g basketball has a 37.3 cm diameter and may be approximated as a thin spherical shell.Starting from rest, how long will it
1. 0 answers
2. asked by Caryn
3. 758 views
A horizontal 873 N merry-go-round of radius 1.11 m is started from rest by a constant horizontal force of 70.6 N applied
1. 2 answers
2. asked by Caryn
3. 1,064 views
he current in a 100 watt lightbulb is 0.840 A. The filament inside the bulb is 0.140 mm in diameter.a) What is the current
1. 0 answers
2. asked by elena
3. 642 views
sojourner's vision of god is an example of an
1. 1 answer
2. asked by Anonymous
3. 347 views
Two point charges 1.5 cm apart have an electric potential energy -150 mu J. The total charge is 34 nC. what are q_1 and q_2?
1. 1 answer
2. asked by mandy
3. 826 views
The tires of a car make 63 revolutions as the car reduces its speed uniformly from 94.0 km/h to 58.0 km/h. The tires have a
1. 1 answer
2. asked by Anonymous
3. 1,783 views
What kind of unwanted reactions might you encounter when trying to convince the business committee to except your proposal for a
1. 2 answers
2. asked by Precious
3. 498 views
Give the domain of the function and identify any vertical or horizontal asymptotes.h(x) = 1 / (x - 3) + 1 I had x = 0 and y = 3.
1. 0 answers
2. asked by Hannah
3. 375 views
a 3.5 kg dog stands on a 21 kg flatboat at distance D = 6.1 m from the shore. It walks 2.3 m along the boat toward shore and
1. 3 answers
2. asked by mike
3. 519 views
Suppose a 69 kg person stands at the edge of a 7.8 m diameter merry-go-round turntable that is mounted on frictionless bearings
1. 1 answer
2. asked by Anonymous
3. 726 views
volume of 8.00 grams of hydrogen gas at 32.0 degrees celcius and 1.50 atm
1. 4 answers
2. asked by Theresa
3. 543 views
How did seamstress dress during Medieval times?
1. 1 answer
2. asked by Danielle
3. 404 views
use a graphing calculator to obtain the graph of the function. What do you observe about its asymptotes?g(x) = 4 [x-2] / x + 1
1. 1 answer
2. asked by Hannah
3. 412 views
Consider the following equilibrium:PCl5 = PCl3+ Cl2 5.0 moles of are placed in a 10.0 L flask at 200 C and allowed to come to
1. 2 answers
2. asked by AMI
3. 1,009 views
For the system 2A (g) + B( g) = 2C (g), if the initial concentration of pure C is 1.00 M, the equilibrium concentration is 0.40
1. 3 answers
2. asked by AMI
3. 1,549 views
Consider the following equilibrium:PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol
1. 3 answers
2. asked by AMI
3. 1,438 views
A Jeweler working with a heated 47g gold ring must lower the ring's temperature to make it safe to handle. If the ring is
1. 4 answers
2. asked by Demi
3. 2,891 views
A small source O of electromagnetic waves is placed some distance from a plane metal reflector M. A receiver R, moving between O
1. 1 answer
2. asked by Edwin
3. 640 views
Water flows steadily along a uniform flow tube of cross-section 30cm^2. The static pressure is 1.20 x 10^5 Pa and the total
1. 1 answer
2. asked by Edwin
3. 1,055 views
I appreciate any help! Thank you!!How much energy must be added to a bowl of 125 popcorn kernels in order for them to reach a
1. 2 answers
2. asked by Demi
3. 3,387 views
I'm understanding most of this physics, but here is one last question I would appreciate help on. Thank you!Okay, so the
1. 3 answers
2. asked by Demi
3. 4,897 views
A patient visits the doctor's office with abdominal pain of two days' duration. Medical history is significant for tonsillectomy
1. 0 answers
2. asked by Brenda
3. 570 views
Gastrectomy is listed as the principle procedure on the surgical report. You know that (-ectomy) means excision or surgical
1. 2 answers
2. asked by Brenda
3. 866 views
Determine all the absolute extreme values for the function f(x, y) = sin x sin y sin(x + y) on the square0 <x <PI ,0 < y < PI.
1. 0 answers
2. asked by GRAVITY
3. 500 views
Graph using the slope and the y-intercept.x+5y=20. Here is what I came up with: 5y=x(0)+20 5(0)= x+20 5y/5=20/5 x=20 (20,0) y=4
1. 3 answers
2. asked by B.B.
3. 1,690 views
a)The element with the greatest density is osmium, which has a density of 22.6g/cm3. Calculate the mass of 32.1 cm3 of osmium.b)
1. 1 answer
2. asked by Anonymous
3. 1,242 views
particle 1 of mass m1 = 0.29 kg slides rightward along an x axis on a frictionless floor with a speed of 1.8 m/s. When it
1. 0 answers
2. asked by beav
3. 715 views
Retail Sales. Paint Town sold 45 paintbrushes, one kind at $8.50 each and another at $9.75 each. In all,$398.75 was taken in for
1. 1 answer
2. asked by Rodri
3. 458 views
was nixon's presidency a success?i feel it was because he had the foreign policy and draft ? anything else i can add? can be
1. 1 answer
2. asked by bobbi
3. 643 views
A mountain climber friend with a mass of 80kg ponders the idea of attaching a helium-filled balloon to himself to effectively
1. 1 answer
2. asked by Gail
3. 1,914 views
At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17
1. 1 answer
2. asked by bob dylan
3. 658 views
25a2 - 30a + 9
1. 1 answer
2. asked by Anonymous
3. 431 views
True or False?:The random segregation of chromosomes during meiosis explains Mendel's observation that genes for different
1. 1 answer
2. asked by I Need Help
3. 955 views
the perimeter of a rectangle is 228 inches. the length exceeds the width by 76 inches. find the length and the width.
1. 2 answers
2. asked by Queeny
3. 625 views
A rocket is fired straight up through the atmosphere from the South Pole, burning out at an altitude of 208 km when traveling at
1. 1 answer
2. asked by nate
3. 2,809 views
I get how to use the method of least squares to determine slope, intercept, uncertainties in slope and intercept of your graph
1. 0 answers
2. asked by Ashley
3. 452 views
A copper wire weighing 5.463g was dissolved in excess nitric acid, precipitated as copper(2)carbonate with excess sodium
1. 3 answers
2. asked by 496935sd
3. 873 views
Hey1)how do you estimate the line widths (full width half maximum) of the peaks arising from: (a) The emission of a hollow
1. 0 answers
2. asked by Kelly
3. 420 views
The first excited state of the hydrogen atom is separated from the ground state by 10.2 eV.(a) At what wavelength does this
1. 1 answer
2. asked by ABBY
3. 445 views
People with different personalities can be given the same diagnosis why is that need help cant not find the answer i am lookig
1. 1 answer
2. asked by trudy
3. 323 views
HiI just need help with question (ii) and (iii), i know how to work out (i) A solution is prepared by dissolving 0.2222
1. 1 answer
2. asked by Jenny
3. 615 views
Hi I'm stuck on these questions can you please help meA soil sample contains 0.2234 g of Fe3+ per 100g. Fe3+ is precipitated
1. 1 answer
2. asked by Sarah
3. 1,264 views
you currently have 12 bottles on you shelf.and you want to keep a min of 6 bottles on you shelf.you average sales is 2 per day
1. 1 answer
2. asked by kaila
3. 1,070 views
How has early memory research concerning the growth of cognitive perspectives in psychology changed over the course ofthe 20th
1. 1 answer
2. asked by sandra
3. 482 views
In a study designed to prepare new gasoline resistant coatings, a polymer chemist dissolves 6.053g of poly in enough water to
1. 1 answer
2. asked by Mike
3. 1,664 views
In Quadratics Grade Ten:How do you find the coordinates of the vertex? What is the Optimum value mean? What are the zeros of the
1. 1 answer
2. asked by confused
3. 450 views
Write an equation of the line containing the given point and perpendicular to the given line.(8,-6); 3x+5y=8. The equation of
1. 1 answer
2. asked by B.B.
3. 490 views
A household bleach solution contains 5.25% (by mass) NaClO. How many moles of NaClO are needed to make 1000 L of the solution?
1. 1 answer
2. asked by Staci
3. 3,416 views
Regarding to the adiabatic Process..Why is there a DRY ADIABATIC RATE and a SATURATED ADIABATIC RATE?
1. 1 answer
2. asked by ellie
3. 531 views
use a graphing calculator to obtain the graph of the function. What do you observe about its asymptotes?g(x) = 4 [x-2] / x + 1
1. 4 answers
2. asked by Hannah
3. 626 views
A solution is made by dissolving 0.100 mol of NaCl in 5.35 mol of water. What is the mass % of NaCl?So far, I have determined
1. 1 answer
2. asked by Jon
3. 2,659 views
The patient reports smoking three packs of cigarettes per month. She denies drug and alcohol use. This statement is an example
1. 0 answers
2. asked by Brenda
3. 613 views
Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by moisture in the food, which is transferred
1. 1 answer
2. asked by andrea
3. 1,076 views
why doea a rising parcel of unsaturated air cool more rapidly than a rising parcel of saturated air??
1. 1 answer
2. asked by ellie
3. 452 views
if some light is absorbed by an electron, what happens to the electron?
1. 1 answer
2. asked by amy
3. 304 views
You're asked to change plural medical words to the singular form. Which of the following combinations represents the correct
1. 2 answers
2. asked by Brenda
3. 622 views
How important is it for the people of a nation to have approved their constitution?
1. 2 answers
2. asked by christopher
3. 391 views
A 15-year old female patient has experienced daily nausea for the past two months. The patient states that she feels like "I've
1. 1 answer
2. asked by Brenda
3. 1,206 views
If the amplitudes of the two waves are 3 units and 1 unit respectively, show by the principle of superposition that the ratio of
1. 2 answers
2. asked by Edwin
3. 2,145 views
water flows along a horizontal pipe of cross-sectional area 48cm^2 which has a constriction of cross-sectional area 12cm^2 at
1. 1 answer
2. asked by Edwin
3. 998 views
Show that a force acting along a given line can always be replaced by a force of the same magnitude acting along a parallel
1. 1 answer
2. asked by Edwin
3. 483 views
i need to draw an example of a combined pulley
1. 1 answer
2. asked by carrie smith
3. 299 views
The lateral ports were removed. Where would these ports be located?A. Toward the back B. Toward the head C. Farthest from the
1. 1 answer
2. asked by Brenda
3. 391 views
A 65-year-old patient has a murmur over the apex of the heart. What does the term apex represent?A. Tip B. Nearest the middle C.
1. 2 answers
2. asked by Brenda
3. 530 views
Find an equation of the line containing the given pair of points. (-5,-2) and (-3,-1). The equation of the line in
1. 2 answers
2. asked by B.B.
3. 607 views
Argon makes up 0.93% by volumee of air. Calculate its solubility (mol/L) in water at 20C and 1.0 atm. Henry's law constant for
1. 0 answers
2. asked by Staci
3. 760 views
A household bleach solution contains 5.25% (by mass) NaClO. How many moles of NaClO are needed to make 1000L of the solution?
1. 1 answer
2. asked by Staci
3. 854 views
regarding the Adiabatic Process.... why is their a dry adiabatic rate and a saturated adiabatic rate?
1. 0 answers
2. asked by ellie
3. 421 views
a 16990kg airplane lands with a speed of 91m/s on a stationary aircraft carrier deck that is 115m. find workk done by
1. 1 answer
2. asked by brittney
3. 477 views
an airplane leaves the airport and flies due west 150 miles and then 240 miles in the direction 200°40'. Assuming the earth is
1. 1 answer
2. asked by kat
3. 838 views
A progressive and a stationary simple harmonic wave each have the same frequency of 250Hz and the same velocity of 30m/s.
1. 1 answer
2. asked by Edwin
3. 1,016 views

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