Friday

October 28, 2016
Number of results: 527

**physics**

a sound wave of frequency 500 hz travels from air into water. the speed of sound in air is 330 m s-1 and in water 1490 m s-1. what is the wavelength of the wave in a)air; b)water

*April 7, 2008 by sake*

**math**

A person leaves her home and walks 330 feet due north, then she walks 640 feet east, then she walks 900 feet north and 370 feet east. How far, to the nearest tenth of a foot, is she from her starting point?

*June 9, 2015 by Anonymous*

**physics 20**

Mr. Smith is standing 50m from a large bell. With his mighty throwing arm, Mr.Smith throws a rock at the bell and he hears the sound of the bell 4.5s later. If the speed of sound is 330 m/s, what was the speed of the rock in the air?

*July 6, 2015 by ran*

**calculus - please help!**

If two resistors R1 and R2 are connected in parallel, then the total resistance R measured in ohms is given by 1/R=1/R1+1/R2 If the resistance of R1 and R2 are increasing at 330 and 660 ohms per second respectively, then the rate of increase of R when R1=5000 and R2=5000 is ...

*November 7, 2011 by archi*

**physics**

Student throws a baseball at a large gong 79 miles away and hears the sound of gong 2.63333 seconds later. The speed of sound in air is 330 miles per second. What was the average speed of baseball on its way to gong ?

*September 3, 2014 by Megan*

**algebra**

18. Mr. Rogers wants to fence in a rectangular garden next to a straight section of the Scioto River. He has 330 feet of fencing to do the entire job. He doesn’t need fencing along the river, and there is a 4.5 foot wide clearance for a gate at one end. What are the dimensions...

*March 13, 2012 by Anonymous*

**MGT asap**

Select one of the following statements from p.221 of Supervision: Key Link to Productivity (8th ed.). Do you agree or disagree with the statement? Explain your reasons. 1. “The supervisor’s primary objective should be to avoid making mistakes in employment decisions that can ...

*November 13, 2008 by troyer0269*

**MGT help**

Set achievable goals for your work unit. I wrote this so far: If I were going to set achievable goals they would be Give an example of how this benefit has been successful (or unsuccessful) in your experience in the workplace, in school, or in your personal life. the example I...

*October 27, 2008 by dawn*

**Maths**

please help me answer this question: A pilot sets to fly from B to A and wishes to set a course to offset a 32 km/h easterly wind.The aircraft can fly at the speed of 800km/h in still air. A is 256 from B in a bearing of 330 degrees. a)on what course must the aircraft be set? ...

*August 11, 2011 by Ruby*

**Molarity**

A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1 mol). mols HNO3 = L x M You have mols HNO3 and L...

*February 25, 2007 by Kellie*

**chemistry**

A 51 kg person drinks 330. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is given by ...

*September 18, 2011 by Ellie*

**physics**

Two speakers are driven by the same oscillator with frequency of 172 Hz. They are located 3.72 m apart on a vertical pole. A man really far away walks straight toward the lower speaker in a direction perpendicular to the pole. How far is he from the pole at the first moment he...

*November 29, 2009 by Anonymous*

**Physics**

30. A truck of mass 2250 kg is used to pull a 330 kg trunk out of an old quarry as shown below. There is 550 N of rolling resistance for the truck. Ignore mass and friction of the pulley. (a) If the trunk is accelerated upward at 2.00 m/s2 what is the minimum amount of ...

*October 19, 2012 by Liz*

**algebra**

The volume V of a gas varies inversely as the pressure P and directly as the temperature T. A certain gas has a volume of 20 L, and a temperature of 320 K, and a pressure of 1 atm. If the gas is compressed to a volume of 15 L and is heated to 330 K, what will the new pressure...

*January 27, 2009 by bob*

**algebra**

A restaurant sells about 330 sandwiches each day at a price of $6 each. For each $0.25 decrease in price, 15 more sandwiches are sold per day. How much should the restaurant charge to maximize daily revenue? What is the maximum daily revenue?

*March 4, 2015 by soff*

**physics**

A boy yells towards a clikff and hears his echo 3.15 s later. If the air temperature is 12 degrees C, how far away is the cliff? The distance the sound travels is twice distance. 2d=velocitysound*time Now for velocitysound at 12C... You have a formula for that, I have long ...

*April 5, 2007 by gigi*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*September 15, 2012 by alhaji*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*September 16, 2012 by alhaji*

**accounting**

Event: One stockholder reported to the company that 330 shares of his East Hill stock had been sold and transferred to another stockholder for $3,700 cash. what effects does this event have on the balance sheet of a company? How do I input this in the balance sheet (asset= ...

*September 11, 2015 by linda*

**Chemistry**

In the reaction 2HgO(s) --> 2Hg(l) + O2(g) we measure the evolution of gas to determine the rate of reaction. At the beginning of the reaction (at 0 minutes), 0.02 L of O2 is present. After 20 minutes the volume of O2 is 0.36 L. What is the rate of reaction? Question 4 ...

*November 5, 2014 by Tamera*

**physic**

Hi!Need help please. Question:A car initially traveling at 24.0 m/s undergoes a constant negative acceleration of magnitude 2.10 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and ...

*November 14, 2009 by Chan*

**Algebra II**

A restaurant sells about 330 sandwiches each day at a price of $6 each. For each $.25 decrease in price, 15 more sandwiches are sold per day. How much should the restaurant charge to maximize daily revenue? Explain each step of your solution. What is the maximum daily revenue?

*December 17, 2014 by Mo*

**Trig..please help!**

Two forces are pushing an ice shanty along the Ice. One has a magnitude of 330 lb in a direction due east. The other force has a magnitude of 110 lb in a direction 54 degrees east of north. What are the magnitude and direction of the resulant force?

*January 6, 2013 by Rachel*

**math**

I am supposed to use patterns or linear equation to fill in the graph but I just cant figure this one out.. can someone give me a hint or help me out on this on. p /2/88/8 /10 /? q/22/?/110/110/330 How can I use a linear equation or patterns when each there is not an equal ...

*September 20, 2009 by sam*

**science**

How would i set these up? like what is the equations? # A tennis player hits a tennis ball with a force of 330 N, and it accelerates at the rate of 5,500 m/s2. What is the mass of the tennis ball? # Li is pedaling his bike with a force of 220 N. The combined mass of Reese and ...

*October 28, 2009 by please help(:*

**physics**

Two workers are sliding 330 kg crate across the floor. One worker pushes forward on the crate with a force of 410 N while the other pulls in the same direction with a force of 240 N using a rope connected to the crate. Both forces are horizontal, and the crate slides with a ...

*November 6, 2015 by yahya*

**Physics**

A guitar string, destined to be an upper E string, has length 100 cm and mass 0.400 g. a. What is its mass per unit length? u = m/L = 0.004 g/cm b. What length of this string should be used on a guitar if the fundamental frequency is to be 330 Hz and its tension is to be 100 N...

*February 10, 2011 by Nick*

**Biology**

A student wishes to prepare 300 mL of 0.25 M sucrose. He puts 25.7 g of sucrose in a beaker and then adds 300 mL of dH2O. The total volume of the solution after the sucrose has been dissolved is 330 mL. a) What did he do wrong when preparing his solution? b) What is the actual...

*September 14, 2014 by Ki*

**math**

For a fundrasier, the Best Buddies club sold t-shirts. The adult shirts were $15 per shirt and the youth shirts were $12 per shirt, and they made a total of $330 on the shirts. If they sold a total of 26 shirts, how many of each did they sell? I don't understand this, so ...

*February 27, 2013 by ANNIE*

**Chemistry**

Temperature Rate Constant 310 0.830 320 2.27 330 5.83 340 14.2 350 32.8 Use an Arrhenius plot to determine the frequency factor for the reaction. I know the equation to find the frequency factor is K= Ae^-Ea/RT but i am still getting the wrong answer. Do I convert the ...

*September 19, 2011 by Tc*

**Physics**

Imagine that you are designing a circular curve in a highway that must have a radius of 330 ft and will carry traffic moving at 60 mi/h. a) At what angle should the roadbed be banked for maximum safety? b) If the roadway is not banked, what would the necessary coefficient of ...

*January 16, 2012 by TR*

**Math**

Leon drove 270 miles to the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10 miles per hour faster than Leon, then how fast did each of them drive?

*March 3, 2011 by FCD*

**Physics 141**

A bicycle wheel resting against a small step whose height is h = 0.125 m. The weight and radius of the wheel are W = 23.1 N and r = 0.330 m, respectively. A horizontal force vector F is applied to the axle of the wheel. As the magnitude of vector F increases, there comes a ...

*April 5, 2014 by dakota22*

**Math**

So Prize money of $500 is divided between Alan & Jim so that Alan receives $170 more than Jim How much does each receive ----- Using one variable:: Let Jim have "x" Then Alan has "x+170" ---- Equation: x + x+170 = 500 2x = 330 x = $165 (Jim's share) x+170 = $335

*March 28, 2016 by Jeremy*

**Seminar MGT**

Is there a way to test the global business citizenship status of any company? What metrics would you use to do so? First, I'd define "global business citizenship" status. Do you mean how much money it makes? Do you mean how it treats and recompenses its employees? Do you mean ...

*June 27, 2007 by Ms Brown*

**Physics 141**

The drawing shows a bicycle wheel resting against a small step whose height is h = 0.125 m. The weight and radius of the wheel are W = 23.1 N and r = 0.330 m, respectively. A horizontal force vector F is applied to the axle of the wheel. As the magnitude of vector F increases...

*April 3, 2014 by dakota22*

**Physics 141**

The drawing shows a bicycle wheel resting against a small step whose height is h = 0.125 m. The weight and radius of the wheel are W = 23.1 N and r = 0.330 m, respectively. A horizontal force vector F is applied to the axle of the wheel. As the magnitude of vector F increases...

*April 5, 2014 by dakota22*

**physics**

You are riding your bicycle directly away from a stationary source of sound and hear a frequency that is 2.5% lower than the emitted frequency. The speed of sound at the temperature that day is 339 m/s. What is your speed? f = f0(v + vo)/v. Here, vo is the unknown. f = fo*.985...

*April 30, 2007 by Coreen*

**physics**

A 62.0 skier is moving at 6.10 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.30 long. The coefficient of kinetic friction between this patch and her skis is 0.330. After crossing the rough patch and returning to friction-free snow, she ...

*March 28, 2013 by mira*

**math**

3/4 of the students in a school were girls and the rest were boys. 2/3 of the girls and 1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.

*October 29, 2012 by Nai*

**physics**

A crate slides down a ramp inclined at 26.0° from the horizontal. The normal force of the ramp on the crate is 710 N and the coefficient of kinetic friction between the crate’s bottom and the ramp’s surface is 0.330. Find the magnitude of the force of kinetic friction that the...

*October 18, 2011 by ahan*

**math plzz help**

Train A leaves Westtown and travels at 50 mph toward Smithville, 330 miles away. At the same time, Train B leaves Smithville and travels at 60 mph toward Westtown. After how many hours do the two trains meet? Enter your answer in the box.

*September 28, 2016 by liliana*

**help plzz asap**

Train A leaves Westtown and travels at 50 mph toward Smithville, 330 miles away. At the same time, Train B leaves Smithville and travels at 60 mph toward Westtown. After how many hours do the two trains meet? Enter your answer in the box.

*September 28, 2016 by liliana*

**Physics**

A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 100 s per increment, and the scale for the velocity axis is 330 m/s per increment.

*February 12, 2015 by Cetris*

**physics**

A 0.330-kg block of wood rests on a horizontal frictionless surface and is attached to a spring (also horizontal) with a 29.5-N/m force constant that is at its equilibrium length. A 0.0600-kg wad of Play-Doh is thrown horizontally at the block with a speed of 3.00 m/s and ...

*November 30, 2012 by HELP!!!*

**math**

Julia works at a music store. One of her jobs is to stock new CDs on the shelf. A recent order arrived with 215 classical CDs, 125 jazz CDs and 330 soft rock CDs. Julia needs to place the CDs on sale racks with 5 CDs in each group. Write two different queations that can be ...

*April 3, 2016 by silvy*

**Physics**

Block A (Mass = 3.146 kg) and Block B (Mass = 2.330 kg) are attached by a massless string Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes overa frictionless, massless pulley. Block B hangs down vertically as shown. ...

*September 24, 2016 by Quaz*

**algebra**

the speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 330 miles in the same time it takes the freight train to travel 300 miles.Find the speed of each train.

*May 5, 2015 by milton*

**Physics**

Forces F1=7.50N and F2=5.30N are applied tangentially to a wheel with radius 0.330 m. What is the net torque on the wheel due to these two forces for an axis perpendicular to the wheel and passing through its center? It depends upon whether or not the forces F1 and F2 are both...

*March 27, 2007 by Karla*

**Physics**

Two railroad freight cars with masses 110 Mg and 170Mg approach with equal speeds of 0.330 . They collide, the lighter car rebounding opposite its original direction at 0.270 m/s. Find the velocity of the heavier car after the collision. Assume the original direction of the ...

*October 10, 2012 by Lily*

**Chemistry**

Assuming that the smallest measurable wavelength in an experiment is 0.330 fm(femtometers), what is the maximum mass of an object traveling at 157 m·s^–1 for which the de Broglie wavelength is observable? mass = ? kg Chemistry - DrBob222, Monday, October 29, 2012 at 12:29am ...

*October 30, 2012 by Anonymous*

**Chemistry**

Assuming that the smallest measurable wavelength in an experiment is 0.330 fm(femtometers), what is the maximum mass of an object traveling at 157 m·s^–1 for which the de Broglie wavelength is observable? mass = ? kg Chemistry - DrBob222, Monday, October 29, 2012 at 12:29am ...

*October 30, 2012 by Anonymous*

**Human Resource MGT**

Write a paper recommending to a company's board of directors that affirmative action policies be implemented. It should be 700-1050 words in length and formatted according to APA guidelines. Include points supporting the recommendation and clearly address points that may be ...

*November 13, 2007 by Tina*

**management 330**

1. How do strategic, operational, and tactical planning differ? How might the three levels complement one another in an organization? 2. Define corporate social responsibility. What are the arguments for and against the concept of corporate social responsibility? Where do you ...

*October 27, 2010 by sebastian*

**PHY1015S**

A policeman in a stationary car measures the speed of approaching cars by means of an ultrasonic device that emits a sound with a frequency of 41.2 kHz. A car is approaching him at a speed of 33.0 m/s. The wave is reflected by the car and interferes with the emitted sound ...

*October 7, 2014 by Bhodloza*

**chemistry**

Magnesium reacts with HCl to produce magnesium chloride and hydrogen gas. Mg(s)+2HCl(aq)->MgCl2(aq)+H2(g). What is the molarity of the HCl solution if 330 ml of the HCl solution reacts with magnesium to produce 7.40 L of H2 gas measured at STP?

*October 9, 2010 by Dana*

**physics**

A crate of mass 55.6 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.330, and the coefficient of kinetic friction is 0.320. (b) The truck barely exceeds this acceleration and then moves ...

*October 4, 2012 by Anonymous*

**Physics**

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done by the man on the ...

*April 25, 2009 by Nat*

**physics**

a 330 kg piano slides 3.6 m down a 28 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. the effective coefficient of kinetic froction is 0.4. calculate a) the force exerted by the man, b)the work done by the man on the ...

*April 27, 2009 by Nat*

**physics**

A crate of mass 55.6 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.330, and the coefficient of kinetic friction is 0.320. (a) The truck accelerates forward on level ground. What is the...

*October 4, 2012 by Anonymous*

**College Chemistry**

So i been trying to solve this question like for ever! so i hope you guys can help me , here is the question : the volume of a seawater on earth is about 330,000,000 mi3. if seawater is 3.5% sodium chloride by mass and has a density of 1.03g/mL, what is the approximate mass of...

*January 19, 2010 by Tasneem*

**physics**

We are doing the force table lab in class and now we are calculating the f equilibran and the equilibrant angle. I had no time graphing a solution and came up with the right answers by measuring, but we are also suppose to do it purely mathematically and I do not know how to. ...

*June 7, 2013 by Pat*

**Math**

If a camera and a lock weigh 330 grams together. Also the same camera and a crown together weighs 670 grams. Also the weight of a crown and a lock is 470 grams. What is the weight of each individual object?

*May 15, 2016 by Matt*

**MGT 435**

Submit a 3-5 page double-spaced paper based on an “Organizational Diagnosis” of an organization, department area, or organizational system you determine is in need of change. Your perspective throughout this process is that of a consultant and your report should incorporate ...

*April 25, 2011 by Landa*

**Information MGT**

What qualities does the manager typically posses that the employees reporting to him do not have, that makes him a better candidate for project planning Typically, leadership. But most often, there are a number of folks in the organization who could do a credible job...why ...

*April 12, 2007 by Ms Brown*

**Management 330**

o Identify four types of control mechanisms (ways controls are applied) used in your selected organization. o Compare and contrast these control mechanisms. o Determine the effectiveness of these control mechanisms. o Examine the positive and negative reactions to the use of ...

*October 29, 2010 by Alida178*

**i need yur help with this..**

Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. 472 cm2 451 cm2*** 781 cm2 330 cm2 Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm3 *** 105 mm3 126 mm3 130 mm3

*March 15, 2014 by anonymous*

**english**

tomorrow i am writing an exam in complex sentence analysis.i have some troubles..We'll get a complex sentence but very large one(last time we got sentences which were 4 lines long)and then we have to write what is the subject what is the verb, adverb or object.i understand ...

*June 5, 2007 by bill*

**Physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 300 N applied to its edge causes the wheel to have an angular acceleration of 1.072 rad/s2. (a) What is the moment of ...

*December 5, 2012 by anonymous*

**math!**

A shopkeeper had 330 tangerines. He put some of them into 15 cartons containing 12 tangerines each. He then put the rest into 14 cartons, each containing the same number of tangerines. How many tangerines were in each of the cartons of the 14 cartons and How many cartons were ...

*May 19, 2014 by anon.*

**Math help plz check my answers!**

Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. 472 cm2 451 cm2*** 781 cm2 330 cm2 Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm 142 mm3 *** 105 mm3 126 mm3 130 mm3

*March 15, 2014 by anonymous*

**Investments/Portfolio Mgt**

How would the following be solved... Consider a risky portfolio. The end-of-year cash flow derived from the portfolio will be either $50,000 or $150,000, with equal probabilities of 0.5. The alternative riskless investment in T-bills pays 5%. a. If you require a risk premium ...

*November 10, 2008 by Anna*

**MGT**

Supervisors are an essential component in improving the overall productivity and effectiveness of an organization—from planning and strategizing to cutting costs and controlling assets. Analyze and discuss the most important thing a supervisor can do to improve organizational ...

*November 30, 2008 by troyer0269*

**physics**

A 3.50-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.330. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b) accelerating upward with an ...

*October 14, 2009 by nyasha*

**science**

A radio acoustic sounding system (RASS) instrument uses 404-MHz radio waves (wavelength = 0.743 m). (a) What is the wavelength of the sound waves used to measure air temperature? ë = ___ m (b) If the Doppler shift of the radio wave reflected from a region several hundred ...

*February 13, 2008 by Melody*

**calculus**

When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 330 cubic centimeters and the pressure is 99 kPa and is decreasing at a rate ...

*March 29, 2015 by Anonymous*

**Information MGT**

Cost estimation is always one of the trickiest part of any new project. I wonder why this is so. Do you think majority of projects nearing their completion make everyone realize that the initial cost estimation was way off course? Cost estimation is tricky because of the ...

*April 12, 2007 by Ms Brown*

**MGT 496 Research Project I**

I am doing a Action Research Project on a problem within my company that I am employed with. The problem is using manual time sheets and how to resolve this issue. What I need is to find companies that have had problems with manual paper time sheets and find out how they ...

*September 17, 2013 by Yolanda*

**phys**

Two blocks of mass m1 = 1.70 kg and m2 = 5.20 kg are connected by a massless cord passing over a frictionless pulley as shown in the figure below, with θ = 41.0°. The coefficient of kinetic friction between block 1 and the horizontal surface is 0.400, and the coefficient ...

*October 1, 2016 by victpr*

**physics**

Three identical uniform meter sticks are placed on the floor. The first stick lies along the y axis from y = 0.320 m to y = 1.32 m. The second stick lies along the x axis from x = 0.330 m to x = 1.33 m. The third stick is positioned so that one end is on the x axis at x = 0....

*March 21, 2014 by Sami*

**Calculus: need clarification to where the #'s go**

When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^{1.4}=C where C is a constant. Suppose that at a certain instant the volume is 330 cubic centimeters and the pressure is 79 kPa and is decreasing at a ...

*October 27, 2014 by Alessandra*

**physics**

A block of mass M rests on a block of mass M1 = 5.00 kg which is on a tabletop. A light string passes over a frictionless peg and connects the blocks. The coefficient of kinetic friction mk at both surfaces equals 0.330. A force of 60.0 N pulls the upper block to the left and ...

*September 28, 2015 by Anonymous*

**Information MGT**

What are some Metrics that can be used during the SDLC? List various steps and applicable metrics? http://www.computerworld.com/developmenttopics/development/story/0,10801,71151,00.html what are some metrics that can be used during the SDLC

*April 20, 2007 by Ms Brown*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 260 N applied to its edge causes the wheel to have an angular acceleration of 0.795 rad/s2. (a) What is the moment of ...

*November 15, 2012 by Shane*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 250 N applied to its edge causes the wheel to have an angular acceleration of 1.053 rad/s2. (a) What is the moment of ...

*November 30, 2012 by heather*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 280 N applied to its edge causes the wheel to have an angular acceleration of 0.960 rad/s2. (a) What is the moment of ...

*March 8, 2015 by alba*

**physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 270 N applied to its edge causes the wheel to have an angular acceleration of 0.854 rad/s2. (a) What is the moment of ...

*April 2, 2016 by joanna*

**Algebra**

The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 975 kPa(kiloPascals) when the number of moles is 4, the temperature is 250 K, and the volume is 320 cc, find the ...

*December 5, 2012 by Nicole*

**math**

patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at $11, then 26 units at $9 and finally 18 units at $14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what was her cost of ...

*November 11, 2013 by keri *

**math**

patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at $11, then 26 units at $9 and finally 18 units at $14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what was her cost of ...

*November 12, 2013 by keri *

**math**

patrica is a business owner who is trying to determine her cost of goods sold for 2012. shoe bought 20 units of inventory at $11, then 26 units at $9 and finally 18 units at $14. she sold 30 units in 2012 and uses the fifo for her inventory valuation. what was her cost of ...

*November 12, 2013 by keri *

**Physics**

The owner of a van installs a rear-window lens that has a focal length of -0.320 m. When the owner looks out through the lens at an object located directly behind the van, the object appears to be 0.240 m from the back of the van, and appears to be 0.330 m tall. (a) How far ...

*March 18, 2015 by Damien O' Connell*

**math**

One day we decided to drive from Town A to Town D. In order to get there we had to drive through Town B and then Town C. It is 10 miles farther from Town A to Town B than it is from Town B to C. IT is 10 miles farther from Town B to Town C than it is from Town C to Town D. It ...

*September 21, 2011 by jake*

**math solve the problem using the four step plan **

At the end of their 3-day vacation, the Palmers traveled a total of 530 miles. On the third day,they drove 75 miles. On the second day,they drove 330 miles. How many miles did they drive the first day? I can only solve this by adding the second, and third days, and subtracting...

*September 20, 2016 by Nathan *

**math**

I need to do a quick check for my homework by tomorrow. Sally,Jennifer,Theresa & Gina competed in a 100-meter race. Sally's time for the race was 12.330 seconds. Gina's time 12.034 seconds. Theresa's time was 12.003 seconds. Gina's time was 12.031 seconds. What is the order of...

*September 2, 2010 by sherkyra *

**Physics**

A bullet with a mass m = 4:83 g and initial speed of 330 m/s passes through a wheel which is initially at rest as in the The wheel is a solid disk with mass M = 2.29 kg and radius R = 1.:6 cm. The wheel rotates freely about an axis through its center and out of the plane shown...

*December 25, 2011 by Lindsay*

**Physics**

A 330.0 g block is dropped onto a vertical spring with a spring constant k = 234.0 N/m. The block becomes attached to the spring, and the spring compresses 0.26 m before momentarily stopping. A) While the spring is being compressed, what what is the change in the objects ...

*September 7, 2014 by Kat*

**Math**

1. Find the value of Sin^-1(-1/2) a. -30 degrees b. 30 degrees c. 150 degrees d. 330 degrees 2. Find the exact value of cos(-420 degrees) a. -1/2 b. 1/2 c. sqrt of 3/2 d. -sqrt of 3/2 3. p(-9/41, 40/41) is located on the unit circle. Find sin theta. a. 40/41 b. -9/41 c. -9/40 ...

*April 5, 2008 by Belden*

**Physics**

A stationary bicycle is raised off the ground, and its front wheel (m = 1.70 kg) is rotating at an angular velocity of 21.9 rad/s (see the figure). The front brake is then applied for 1.35 s, and the wheel slows down to 4.47 rad/s. Assume that all the mass of the wheel is ...

*January 27, 2014 by Sam*

**chilcare**

An Individual Family's Account Receivable date Descrip Debit Credit Balance Jan 5 Week 90.00 90.00 Jan 12 " 150.00 ----- Jan 16 Payment 180.00 ----- Jan 19 Week 150.00 ----- 1- What was the family's balance after paying you on Jan.16? A $0 B $ 240 C $ 60 D $ 420 2- What is the...

*December 16, 2009 by Abbie*