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Questions Asked on November 1, 2010

What displacement must be added to a 50cm displacement in the +x-direction to give a resultant displacement of 85cm at 25
1. 5 answers
2. asked by Harry
3. 9,173 views
A beam of microwaves with = 0.7 mm is incident upon a 12 cm slit. At a distance of 2 m from the slit, what is the approximate
1. 1 answer
2. asked by blair
3. 643 views
explain the relationship between finance and accounting, and how they operate to determine financial viability within a health
1. 2 answers
2. asked by vonnia
3. 590 views
If a savings fund pays interest at a rate of 10% per year compounded semiannually, how much money invested now will amount to
1. 0 answers
2. asked by Anna
3. 473 views
A firm has a debt to asset ratio of 75%, $240,000 in debt, and net income of $48,000. Calculate return on equity.
1. 2 answers
2. asked by Syndi
3. 2,816 views
a bridge hand consists of 13 cards. how many bridge hands include 5 cards of one suit, 6 of a second, and 2 cards of a third?
1. 1 answer
2. asked by chrissy
3. 754 views
A block with mass m = 2.00kg is placed against a spring on a frictionless incline with angle (30 degrees). (The block is not
1. 3 answers
2. asked by Scott
3. 2,782 views
a right triangle has a hypotenuse that measures 2.5m and a leg that measures 2.4m what is the measure of the other leg
1. 1 answer
2. asked by gmoney
3. 459 views
A 52.0 g piece of copper at 110.0 C is placed in 75.0 g of water at 20.0 C. What is the temperature (in C) of the water once the
1. 1 answer
2. asked by Jazmin
3. 420 views
In a "Rotor-ride" at a carnival, people are rotated in a cylindrically walled "room." (See Fig. 5-35.) The room radius is 5.4 m,
1. 1 answer
2. asked by Joe
3. 1,130 views
I work for a large company. My boss was fired and I get promoted. I must do a power point to address a customer issue. A client
1. 5 answers
2. asked by Maurice D
3. 519 views
Forces of 11.5 N north, 20.4 N east, and 15.7 N south are simultaneously applied to a 3.74 kg mass as it rests on an air table.
1. 3 answers
2. asked by Bala
3. 609 views
A block slides down a frictionless plane having an inclination of 13.0°.If the block starts from rest at the top and the length
1. 1 answer
2. asked by Bala
3. 689 views
A 14.5-L tank is filled with H2 to a pressure of 2.00 102 atm. How many balloons (each 2.00 L) can be inflated to a pressure of
1. 1 answer
2. asked by Mattie
3. 3,303 views
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 22 knots and ship B is sailing north at 18
1. 1 answer
2. asked by Anonymous
3. 749 views
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have
1. 1 answer
2. asked by karla
3. 864 views
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have
1. 1 answer
2. asked by karla
3. 929 views
Why do you think Starks puts the street lamp on a showcase for a week and then throws a big celebration for its lighting
1. 1 answer
2. asked by Laila
3. 544 views
What angular speed (in revolutions/second) is needed for a centrifuge to produce an acceleration of 1000g at a radius arm of
1. 0 answers
2. asked by Tommy
3. 480 views
A 79 diameter wheel accelerates uniformly about its center from 110 to 360 in 4.5 .1. Determine its angular acceleration.
1. 1 answer
2. asked by Kezie
3. 918 views
Calculate the pressure in the flask in torr, atmosphere, and pascals if ha = 114 mm.
1. 1 answer
2. asked by Mattie
3. 1,327 views
whtas mu?the cof of friction? or mass or the coef of friction?
1. 1 answer
2. asked by anthony
3. 360 views
you help me solve this problem. but how am i suppose to if i don't know the mass of the car?on a level road the stopping
1. 1 answer
2. asked by anthony
3. 519 views
a 25.0g sample of magnesium at 22.0 degrees C absorbs 356.3 J of heat. The temperature of magnesium rises to 36.5 degrees C.
1. 1 answer
2. asked by josh
3. 846 views
Line m is parallel to line n. The measure of angle 3 is (2x− 3)°. The measure of angle 6 is (x + 39)°. What is the measure
1. 1 answer
2. asked by Anonymous
3. 559 views
the volume of the solid generated by revolving infinite region bounded by x-axis, x=k, and y=1/x+2 in the first quadrant about
1. 0 answers
2. asked by Baohua
3. 581 views
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to form isopentyl acetate (C7H14O2), a fragrant substance with the
1. 1 answer
2. asked by Dave
3. 1,465 views
Calculate the heat of combustion:1.C2H4(g)+3O2(g)===>2CO2(g)+2h20(L) _____kJ/mol 2.2H2S(g)+3O2(g)===>2H2O(L)+2SO2(g) _____kJ/mol
1. 2 answers
2. asked by Anonymous
3. 2,835 views
an object is initially moving 15.0 m/s. a minute later, it is moving 25.0 m/s in the opposite direction. What is the
1. 1 answer
2. asked by Andrew
3. 346 views
if a circle has area 2500pi what is its circumference?
1. 1 answer
2. asked by gmoney
3. 353 views
a ball is thrown upward with an initial velocity of 38.9 m/s from the edge of a cliff of height H. The ball lands on the ground
1. 1 answer
2. asked by Perry
3. 946 views
so is is set up like356.2J=25.0g(36.5C-22.0C) ?
1. 1 answer
2. asked by josh
3. 242 views
a)The curve with equation: 2y^3 + y^2 - y^5 = x^4 - 2x^3 + x^2 has been linked to a bouncing wagon. Use a computer algebra
1. 2 answers
2. asked by Chelsea
3. 2,690 views
A car has a kinetic energy of 4.32 * 10^5 J when traveling at a speed of 23 m/s. What is its mass?Sorry for re-post and if
1. 3 answers
2. asked by Cory
3. 6,136 views
A student mixes 95.1g of water at 77.5 degree C with 42.7g of water at 141.1 degree C in an insulated flask. What is the final
1. 3 answers
2. asked by Linetta De La Cruz
3. 645 views
lisa cut a log into 4 pieces in 6 minutes. she then cut a smaller log into 8 pieces. how long should the job have taken if she
1. 1 answer
2. asked by DIana
3. 528 views
Help with factoring this one:x^9+1 (x^3+1) (x^3-x^3+1) Is this correct?
1. 2 answers
2. asked by lomas
3. 288 views
Find the relative extrema off(x) = -2x^2 + 4x + 3 I don't know how to use the First derivative test to find it.
1. 1 answer
2. asked by jack
3. 530 views
6 3/8 + 9 1/24
1. 1 answer
2. asked by Cee Cee
3. 244 views
12 1/9 - 4 2/3
1. 1 answer
2. asked by Walle
3. 251 views
Nitric oxide (NO) reacts with molecular oxygen as follows:2NO(g) + O2(g) �¨ 2NO2(g) Initially NO and O2 are separated as shown
1. 3 answers
2. asked by Sarah
3. 1,418 views
still i cant find the normal force without mass of automabile. is normal force mass times gravity sin theta?on a level road the
1. 0 answers
2. asked by anthony
3. 548 views
convert the following to a mixed number163/9
1. 3 answers
2. asked by Walle
3. 589 views
Mr. McWilliams drove 76 miles Monday and 43 miles Tuesday. Follow the steps to find how many miles Mr.McWilliams drove all
1. 5 answers
2. asked by Tony
3. 574 views
What is the total kinetic energy of 1.70 moles of nitrogen gas at 30 celsius?Please explain step by step by providing formula.
1. 0 answers
2. asked by Sarah
3. 394 views
yeah im really confused. is there any way i can pay you to be my tutor
1. 0 answers
2. asked by anthony
3. 303 views
The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 60% males and 40% females. What is
1. 0 answers
2. asked by joe
3. 396 views
convert the following to an improper fraction8 1/8
1. 4 answers
2. asked by Pat
3. 1,344 views
A soccer ball is kicked into the air at an angle of 38 degrees above the horizontal. The initial velocity of the ball is
1. 2 answers
2. asked by Esora
3. 2,825 views
it all makes sense!!!! thanks
1. 0 answers
2. asked by anthony
3. 281 views
In 2.00 min, 28.4 mL of He effused through a small hole. under the same pressure and temperature, 9.69 mL of a mixture CO and
1. 1 answer
2. asked by Sarah
3. 525 views
an object travels 219 meters with acceleration 6.43 m/s^2 over an interval of 2.86 seconds. What are Vi and Vf.
1. 1 answer
2. asked by Haley
3. 329 views
Thanks for help and websites. Here is what I've written about the building fence so far. please tell me if I'm on the right
1. 0 answers
2. asked by Kelly
3. 603 views
Estimate the force a person must exert on a string attached to a 0.160 kg ball to make the ball revolve in a circle when the
1. 1 answer
2. asked by Joe
3. 681 views
I know the answer to the question, but don't know how to write it out.What is the percentage of increase from 58,000 to 89,000.
1. 1 answer
2. asked by CJ
3. 379 views
The mailing list of an agency that markets scuba-diving trips to the Florida Keys contains 60% males and 40% females. What is
1. 0 answers
2. asked by joe
3. 431 views
Suppose that you are planning a backpacking trip and will need to boil 40 L of water for your group. What volume of fuel should
1. 0 answers
2. asked by Kristen
3. 716 views
you deposit 8500 dollars in an account that pays you 3.5 % interest compounded continuously. How long will it take for the money
1. 2 answers
2. asked by frank
3. 1,351 views
How much of a 0.23 M NaOH solution is needed to neutralize 27 mL of a 0.85 M sulfuric acid solution? The units are mL
1. 1 answer
2. asked by Jazmin
3. 441 views
The standard enthalpies of formation of ions in aqueous solutions are obtained by arbitrarily assigning a value of zero to H
1. 2 answers
2. asked by Kristin
3. 1,394 views
I know youall are very busy an that answering posts takes time, but I am in real need of some one to check my questions to see
1. 1 answer
2. asked by lee
3. 472 views
The FM band of radio waves are measured in megahertz (MHz), which are the numbers you see on the radio dial. Therefore, a radio
1. 1 answer
2. asked by Tamina
3. 874 views
If 3.50g of Na3Po4 and 6.40g of Ba(No3)2 are added together how many grams of Ba3(PO4)2 will be produced? Which is the limiting
1. 2 answers
2. asked by Jessica
3. 2,577 views
What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface
1. 1 answer
2. asked by Farah
3. 1,629 views
Consider the following reaction.CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) ÄH = -891 kJ Calculate the enthalpy change for each of the
1. 2 answers
2. asked by Anonymous
3. 2,859 views
Calculate the radial acceleration of an object on the ground at the earth's equator in m/s2, turning with the planet.
1. 2 answers
2. asked by Lisa
3. 1,808 views
How may you use the study techniques recommended for your personality type and strongest intelligences to function best in a
1. 1 answer
2. asked by tte
3. 395 views
What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)
1. 1 answer
2. asked by Anonymous
3. 1,108 views
a kick returner in a football game runs a constant 5.24 m/s toward the goal line, which d= 50.0 m away. at the instant shown, a
1. 1 answer
2. asked by sarah
3. 347 views
How many core electrons are there in a ground state phosphorus atom?
1. 1 answer
2. asked by Ena
3. 1,528 views
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 55.6 kJ of heat. Before the reaction, the volume of
1. 1 answer
2. asked by Rani
3. 631 views
WHAT IS THE SOURCE OF THE DELAWARE RIVER IN NJ?
1. 2 answers
2. asked by JAKE
3. 405 views
WHAT 2 AQUIFERS PROVIDE THE WATER SUPPLY TO HALF THE PEOPLE IN NJ
1. 1 answer
2. asked by JAKE
3. 369 views
Suppose you have a 10 watt fluorescent light bulb. If this light bulb is 6 % efficient in turning electricity into light, then
1. 1 answer
2. asked by Jazmin
3. 561 views
A box slides down a 22° ramp with an acceleration of 1.19 m/s2. Determine the coefficient of kinetic friction between the box
1. 0 answers
2. asked by Anonymous
3. 901 views
Under certain conditions, neon (Ne) gas diffuses at a rate of 7.0 centimeters per second. Under the same conditions, an unknown
1. 2 answers
2. asked by smith
3. 640 views
How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27°C
1. 1 answer
2. asked by smith
3. 1,250 views
where are you helping from? I'm just curious
1. 8 answers
2. asked by Jazmin
3. 617 views
Hello Reiny, please check these problems for me and if they are not right WOULD YOU PLEASE HELP ME WITH THE CORRECT ONES
1. 3 answers
2. asked by lee
3. 775 views
Suppose that you are planning a backpacking trip and will need to boil 40 L of water for your group. What volume of fuel should
1. 0 answers
2. asked by Anonymous
3. 823 views
Which of the following gases effuses the fastest at a given temperature?Ne CH4 Ar H2
1. 2 answers
2. asked by smith
3. 2,283 views
What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)?6.4 L 22.4 L 32.0 L 78.4 L
1. 2 answers
2. asked by smith
3. 1,062 views
what are the trade innovations of Islam?
1. 6 answers
2. asked by Angeliqua
3. 641 views
please - How do we manually calculate the Present Value of annuity step by step using this formula:PV=R[1-(1+i)-n / i for
1. 2 answers
2. asked by Dania
3. 796 views
is this correct if not can you tell me whaT it is please!!!32 3/5= 163/5
1. 1 answer
2. asked by lee
3. 374 views
A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant
1. 0 answers
2. asked by Diana
3. 425 views
Under certain conditions, neon (Ne) gas diffuses at a rate of 7.0 centimeters per second. Under the same conditions, an unknown
1. 2 answers
2. asked by smith
3. 689 views
By using past studies and scholarly articles, I became more informed of the affects that participating in music has on
1. 2 answers
2. asked by Jon
3. 439 views
A 4kg box starts up a 30 degree incline with 128J of kinetic energy. How far will it slide up the plane if the co-efficient of
1. 0 answers
2. asked by LOST..
3. 453 views
A box of mass 10kg starts from rest and slide down a plane angled at 45 degrees to the horizontal. the box slides 2m down the
1. 0 answers
2. asked by amy
3. 822 views
How many liters of fluorine gas, at standard temperature and pressure, will react with 23.5 grams of potassium metal?
1. 1 answer
2. asked by smith
3. 766 views
when Fe(NO3)3 and KNCS were mixed they reacted together to establish an equilibrium with FE(NCS)+2.what are the changes in terms
1. 0 answers
2. asked by LP
3. 879 views
What is/are the product(s) of the potassium permanganate reaction with (R)-4-methyl cyclohexene?Is the product a meso molecule,
1. 1 answer
2. asked by Anonymous
3. 1,350 views
The planet Neptune has gravitational field intensity of 10.3nékg at a height of 1.00*10?6m above its surface. If the radius of
1. 0 answers
2. asked by Farah
3. 520 views
Discuss the formation of the nickel ion with a 2+ oxidation number.
1. 1 answer
2. asked by Valerie Ayala
3. 934 views
how do you find solubility ofPb(NO3)2, PbCl2, PbCrO4, and PbS
1. 2 answers
2. asked by brit
3. 1,294 views
Can someone just get me started on this im not sure of how to go about solving this.The heat of vaporization of carbon
1. 0 answers
2. asked by steve
3. 605 views
NEED HELP ON THE ANSWER OF THIS PROBLEMTHE EFFICIENCY OF THE PULLEY DECREASES WITH A COEFFICIENT OF FRICTION OF 2.0 THE
1. 0 answers
2. asked by AMBER
3. 939 views
complete the following by using the cancellation technique3/4 x 2/4 x 6/9
1. 1 answer
2. asked by Pat
3. 489 views
What is the answer to the following using sicentific calculator64-1/6
1. 1 answer
2. asked by Thomas
3. 314 views

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