Thursday

August 28, 2014

August 28, 2014

Total # Posts: 427

**physics**

A rod of length 30.0 cm has linear density(mass-per-length) given by [lambda]= 50.0g/m + 20.0x g/(m^2) where x is the distance from one end, measured in meters.(a) What is the mass of the rod? (b) How far from the x=0 end is its center of mass? never mind. i got it.
*April 19, 2007*

**calculus**

Find the distance from (3,7,-5) to each of the following. a. the xy-plane b. the yz-plane c. the xz-plane d. the x-axis e. the y-axis f. the z-axis **I just wanna check my answers because I didn't really understand it when the teacher was explaining it and it's an even...
*April 7, 2007*

**principles of finance some please help me!**

The fixed cost for a firm drop by 25%. Prior to this breakthrough fixed cost were $100,000 and unit contribution maegin was and remains at 5.00. The new amount of break-even units will be: Thank You Very Much! ps: I got two answer Some information appears to be missing here. ...
*March 29, 2007*

**fiannce**

the fixed costs for a frim drop by 25costs%. Prior to breakthrough fixed were $100.000 and united contribution margin was and remains at 5.00. The new amount of break-even units will be: is it 15,000 or 20.000 why? Thank You
*March 28, 2007*

**finance**

perferred stock differs from common stock in thay prefrred stock: Which 1 a. usually has a maturity date. b. can never be called. dividends are generally fixed in amount. c. dividends are deductible for tax purposes.
*March 28, 2007*

**finance**

A case wine costs 128 Euros. If the exchange rate for one U.S. dollar is equal to 0.7442 Euro, What is the price of a case of French wine in U.S.dollars? My answer is $95.00 is it right. You have it backwards. If you divide $128 by 0.7442, you'll find that a case of French...
*March 28, 2007*

**Finance**

Preferred stock differs from common stock in that preferred stock: Preferred stock always receives a stated interest payment if the company is solvent, but they are subject to being called. Bondholders have first call on payment. Common stock dividends are at the discretiuon ...
*March 28, 2007*

**principles of finance**

You are considering the purchase of XYZ Company's preferred stock, which pays a perpetual annual dividend of $8 per share. If the appropriate discount rate for this investment is the price of one share of syock? need a answer by tonight. Thank You!
*March 28, 2007*

**principles of finance**

A project has intial outlay of 4,000. It has a single payoff at the end of year 4 0f 6,9996.46. What is the internal rat of return for the project (round to the nearest %) need by tonight. Thank You 4000*(1+r)^4 = 6996.46 (I think you typed too many nines in 6,9996.46) (1+r)^4...
*March 28, 2007*

**principles of finance**

You are considering the of xyz company's perpetual preferred stock, which pays a perpetual divend of $8 per. If the appropriate discount rate for this investment is 14%, what is the price of one share of this stock? Thank you. Preferred stock differs from common stock in ...
*March 28, 2007*

**SS**

Wikipedia is not always right.
*March 27, 2007*

**PLEASE HELP SOLVE RIDDLE**

1. maximum of two people can go on the float. 2. Father cannot be with any of his daughters without the mother being present. 3. Mother cannot be with any of her sons without the father being present. 4. The prisoner cannot be alone with any one member of the family. 5. Only ...
*March 23, 2007*

**physics**

A spring-loaded toy dart is used to shoot a dart straight up in the air, and the dart reaches a maximum height of 16m. The same dart is shot straight up a second time from the same gun, but this time the spring is compressed only half as far before firing. How far up does the ...
*March 21, 2007*

**physics**

A 20.0kg block rests on a plane inclined at 20.0o to the horizontal. The coefficient of static friction is 0.250, and the coefficient of kinetic friction is 0.150. (a) What is the minimum magnitude of the force F, parallel to the plane that will prevent the block from slipping...
*March 21, 2007*

**physics.**

A 20.0 kg cannon ball is fired from a cannnon with muzzle speed of 1000 m/s at an angle of 37.0 with the horizontal. A second ball is fired at an angle of 90.0. Use the conservation of energy principle to find a] the maximum height reached by each ball and b] the total ...
*March 15, 2007*

**physics**

A ball rolls horizontally off the edge of a tabletop that is 1.0m high. It strikes the floor at a point 1.5m horizontally away from the edge of the table. Find the speed when the ball left the table. Find the time it takes to fall 1 meter. Then, you have that time for the ...
*March 11, 2007*

**physics**

A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of kinetic friction between sled and ice is 0.100. Use energy considerations to find the distance the sled moves before it stops. find the initial KE. set ...
*March 7, 2007*

**physics**

a 2.00 kg block is attached to a spring of force constant 500 N/m. The block is pulled 5.00 cm to the right of equilibrium and released from rest. Find the speed of the block as it passes through equilibrium if a) the horizontal surface is frictionless and b) the coefficient ...
*March 7, 2007*

**physics**

Consider an object on which the net force is a resistive force proportional to the square of its speed. For example, assume that the resistive forve acting on a speed skater is f=-km[v^2], where k is a constant and m is the skater's mass. The skater crosses the finish line...
*March 1, 2007*

**Physics**

Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the constant speed 9.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the buoyant force. Forcedrag=k v = .950kg/s * .09m...
*March 1, 2007*

**Physics**

A sky diver of mass 80.0 ks jumps from a slow-moving aircraft and reaches a terminal speed of 50.0 m/s. a) What is the acceleration of the sky diver when her speed is 30.0 m/s? What is the drag force on the diver when her speed is b) 50.0 m/s? c) 30.0 m/s? If you assume drag ...
*March 1, 2007*

**English**

What are some words to describe the tone of an author's diction? This list comes that an AP English teacher in Raleigh, NC gave her students. TONE WORDS: angry, sharp, upset, silly boring, afraid, happy, hollow, joyful, sad, cold, urgent, joking, poignant, detached, ...
*February 28, 2007*

**math**

jamie ran two laps around a track in 99 seconds. how long did it take him to run each lap if he ran the first lap 8.5m/s and the second at 8.0m/s? Let t be the first lap time and L be the length of one lap. 8.5 m/s * t = L 8 m/s * (99-t) = L These two equations in two unknowns...
*November 28, 2006*

**Algebra**

Celsius temperature readings can be converted to Fahrenheit readings using formula F=9/5c+32 What is the fahrenheit temp. that corresponds to each of the following Celsius temperatures -10, 0, 15, 1000? I will be happy to critique your work on this. You have the formula, just ...
*September 16, 2006*

**algebra**

How do I figure out this problem? You have 37 coins (all nickels , dimes, and quarters) adding up to $5.50. You have 4 more quarters than nickels. How many dimes do you have? Let q,d and n stand for the number of quarters, dimes and nickels you have respectively. Thus we know...
*September 3, 2006*

**Advanced Algebra**

whats a dinition for a undefined slope
*August 29, 2006*

**Math**

Hole digger A 69-inch-tall worker is digging a hole. In the morning the worker's head is a certain distance above the ground. That night the worker's head is the same distance below the ground. Also that night the worker's feet are twice as far below the ground as ...
*July 13, 2005*

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