Friday
November 28, 2014

Posts by JOshua


Total # Posts: 538

math
[w^1 / w^-3]^-4 = w3 ? is this correct?
November 20, 2010

Math
[w^1 / w^-3]^-4 = w3 ? is this correct?
November 20, 2010

Math
[w^1 / w^-3] = w3 ? is this correct?
November 20, 2010

statistics
A marketing research firm suspects that a particular product has higher name recognition among college graduates than among high school graduates. A sample from each population is selected, and each asked if they have heard of the product in question. A summary of the ...
November 17, 2010

1st grade grammar
Capaitalize. joe is cool.
November 8, 2010

physics please help
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.030 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.055 kg and is initially at rest. The collision is not head-...
November 7, 2010

physics please help
A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision ball 1 ball 2 (b) ...
November 7, 2010

physics
What is the wavelength of a proton traveling at a speed of 6.87 km/s
October 30, 2010

physics
A satellite has a mass of 5950 kg and is in a circular orbit 3.80 10^5 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 10^6 m. What is the true weight of the satellite when it is at rest on the planet's surface?
October 28, 2010

physics
A satellite has a mass of 5950 kg and is in a circular orbit 3.80 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 106 m. What is the true weight of the satellite when it is at rest on the planet's surface
October 28, 2010

physics
A 280 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 6.00 m. (a) Find the work done by the pulling force...
October 28, 2010

physics
A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 24.4 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.0 m below its highest point?
October 26, 2010

physics
A 47.0 g golf ball is driven from the tee with an initial speed of 60.0 m/s and rises to a height of 24.4 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.0 m below its highest point?
October 26, 2010

physics
A motorcycle (mass of cycle plus rider = 3.0 102 kg) is traveling at a steady speed of 20 m/s. The force of air resistance acting on the cycle and rider is 1.8 102 N. Find the power necessary to sustain this speed under the following conditions. (a) the road is level (b) the ...
October 26, 2010

physics
A projectile of mass 1.450 kg is shot straight up with an initial speed of 20.0 m/s. (a) How high would it go if there were no air friction? (b) If the projectile rises to a maximum height of only 13.9 m, determine the magnitude of the average force due to air resistance.
October 26, 2010

Statistics and Probability
All printed circuit boards (PCB) that are manufactured at a certain plant are inspected. An analysis of the company’s record shows that 22% of all PCBs are flawed in some way. Of those that are flawed, 84% are reparable but the rest must be discarded. If a newly produced ...
October 25, 2010

Statistics/Probability
in roulette, there are 18 red 18 black and 2 green slots ball rolled 25 times what is the prob that the ball does not fall into any green slots? how do you set this up? I did 1-.0536 and its wrong how to start? thanks so much!
October 25, 2010

Statistics/Probability
in roulette, there are 18 red 18 black and 2 green slots ball rolled 25 times what is the prob that the ball does not fall into any green slots? how do you set this up? I did 1-.0536 and its wrong how to start? thanks so much!
October 25, 2010

physics 11
A river has a current of 5 m/s. A boat tries to head directly across at 4 m/s. When the boat reaches the other side it is 30m downstream. How wide is the river ?
October 19, 2010

math
i dont know
October 8, 2010

math
where would the parentheses go in this problem 6*6+6*6-6=426
October 8, 2010

math
thanks gina!!!
October 8, 2010

math
6+6/6*6+6=24 where do I put the parentheses to make it equal 24?
October 8, 2010

PHYSICS
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 280 s. What is the magnitude of the centripetal acceleration of the car?
September 30, 2010

English Literature
I understand that, but what does Hrothgar say about is men and why does 'he' need to disparage Beowulf's actions as being foolhardy?
September 14, 2010

English Literature
ohh. i also didnt catch what Hrothgar's comments on his men were. and does "him" in the last sentence refer to Hrothgar or Unferth?
September 14, 2010

English Literature
That he believes in Grendel
September 14, 2010

English Literature
I still don't understand how that applies when thinking about Grendel...
September 14, 2010

English Literature
No because he doesnt want anyone else to be more famous/glorious than him. Rude and they try to put you down/make you feel like you will not be able to do it
September 14, 2010

English Literature
I needed help tying the first question into the second one--like how does the fact that Unferth is jealous of Beowulf apply when thinking about Grendel?
September 14, 2010

English Literature
Unferth accuses Beowulf of "wantonly tempting the waves" and risking his life for a "silly boast." Given what Beowulf and the narrator say about Unferth, how is Unferth's comment a reflection back on himself? How does it apply when we think about ...
September 14, 2010

math
1/4=2/8 2/8+1/8= 3/8
September 12, 2010

Economics
1. Explain why the idea of scarcity is the starting point for thinking economically. 2. Explain why an economist might look at hundreds of kids standing in line for lunch asd say, "there is an example of scarcity."
September 12, 2010

algebra
y=2x-6 4x-2(2x-6)= 12 4x-4x+12=12 12=12 infinite number of solutions
September 12, 2010

4th grade
Juan is thinking of an 8-digit number with a 4 in the hundreds place and a 1 in the ones place. What number would fit with these clues
September 9, 2010

spanish
i need help on this stem changer tu (pensar)______ que tener un perro es una cosa buena
September 9, 2010

Math
Rounded to the nearest ten I am 40. the sum of my digits is 11.. What is it?
September 7, 2010

Algebra 1
you are hiking. the total weigh of your backpack and its contents is 13 3/8 pounds. you want to carry no more than 15 pounds. how many extra water bottles can you add to your backpack if each bottle weighs 3/4 pound?
August 30, 2010

IT210 week7/ DQ1
Please post pseudocode or code showing how you would access a file as either a database or a sequential file. Describe in your code the differences between accessing the data. Post what is needed for this weeks assignment.
August 10, 2010

math
What number can be divided by 15, 5, and 3? The answer is 30 13/15 + 2/3 - 3/5 = 13/15 + 10/15 - 9/15 = 14/15
August 10, 2010

Math
Using the terms factors, divisors, multiple, product, and divisible by, write as mant statements as you can about the number sentence 4x7=28.
August 9, 2010

math-word problem
The shadow of a 4 foot pole is 6 feet long at the same time the shadow of a tower is 52.5 feet long. How tall is the tower?
July 31, 2010

social studies
The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished: > to achieve full employment without inflation; > to restore ...
July 12, 2010

social studies
Definition of Horse Canal
May 20, 2010

social studies
What is another name for the equator?
May 20, 2010

math
A snail climbs a wall that is 16 feet high. Each day the snail climbs 5 feet, but each night it slips back down 3 feet. How many days will it take for the snail to get to the top of the wall
May 19, 2010

Chemistry
To raise the temperature of 5 kg of water from 20 0C to 30 0C, a 2-kg iron bar is heated and then dropped into the water. What should the temperature of the bar be (ciron = 0.46 kJ/kg 0C)
May 3, 2010

science
what is believed to be the first living thing on earth?
April 28, 2010

8th grade
ABoringJob
March 20, 2010

physics
I forgot to add this part. assume this wire has a resistance R which is a constant as the hoop is shrunk. (a) What will be the current I which is induced and show the direction of this current in your figure. (b) What is the magnitude of the induced B-field at the center of ...
March 11, 2010

physics
A circular conducting hoop of wire has a constant magnetic field |~B | = 1.7 Tesla passing through it so that the field direction is perpendicular to the plane of the hoop. There is an EMF induced in the hoop with magnitude 2.6 Volts because the hoops area A is shrinking (or ...
March 11, 2010

physics
A long straight wire of radius R = 1 cm carries a total current I = 1 Amp which flows uniformly through the cross-section of the wire. Draw a diagram of this wire and the current and the magnetic field which is produced. Using Ampere’s law solve for the magnitude of the ...
March 11, 2010

physics
how to see if the barber has cut your hair properly at the back?
March 10, 2010

Temple College
had some Psychology homework resereching a female Psychiatrist named Viola Brody. but when i reaserch her online through all the major search engines i come up empty. all i've found so far is that she wrote a book witch i already knew. can you help me with a place to look ...
March 8, 2010

physics
In the operating Room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflourane (molecular mass = 3.06 · 10−25 kg). In a spectrometer, a singly ionized ...
March 4, 2010

math
mr. murphy's will: john murphy was a man with a loving family, a successful career and considerable wialth. one day, upon his realizing hthat he was approaching retirement age, he decided to write up his will. shortyly thereaftr he died. Under the terms of Mr. Murphy;s ...
February 20, 2010

Math
Jenna and Tony need quarters for bus fare. Jenna has 3 x as many as Tony. Together they have $11.00 in quarters. How many coins does each have?
February 15, 2010

Math
j]pmp=,k ' , \k\-0kppj'[
February 10, 2010

english
how do you get seven letters out of the word multiply you have to change letters around
January 13, 2010

social studies
why is 1776 an important year in American History? What document was written in this year
January 10, 2010

5th grade math
10 divided by 975
December 17, 2009

chemistry
a chunk of silver has a heat capacity of 42.8J/degrees celcius and a mass of 181g. calculate the specific heat of silver.
November 16, 2009

ela
what would you do if you woke up one morning and it is raining chocolate pudding, who would you tell, what would happen when you meet your friends?
November 6, 2009

math
0rad/s2
November 4, 2009

Statistics
The Internal Revenue Service is studying contributions to charity. The mean calculated from a random sample of 36 returns is $150. Assume that the population standard deviation is known and equal to $20. Construct a 98 percent confidence interval for the population mean.
October 29, 2009

Physics
What are two quantities of an object launched parallel to the ground which are equal to zero? I think one of the two is vertical velocity.
October 26, 2009

math
-8,000,000,000+999,999,999
October 22, 2009

Physics - URGENT
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s. a. What is the boat's resultant speed with respect to the river bank? b. How long does ti take the boat to cross the river? c. How far downstream or ...
October 19, 2009

Physics
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s. a. What is the boat's resultant speed with respect to the river bank? b. How long does ti take the boat to cross the river? c. How far downstream or ...
October 19, 2009

Physics
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s. a. What is the boat's resultant speed with respect to the river bank? b. How long does ti take the boat to cross the river? c. How far downstream or ...
October 18, 2009

physics - need help right now.
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s. a. What is the boat's resultant speed with respect to the river bank? b. How long does ti take the boat to cross the river? c. How far downstream or ...
October 18, 2009

Physics
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s. a. What is the boat's resultant speed with respect to the river bank? b. How long does ti take the boat to cross the river? c. How far downstream or ...
October 18, 2009

AP Physics - Work and Energy
If you use the kinematic equation Vf^2=VoSin 45 + 2gd the answer would differ from one of the conservation of energy equation method. Vo=185m/s and vf=0 at max height Why is this?
October 15, 2009

Algebra
Can you please give an example step by step of how to solve a system of linear equations in three variables?
October 8, 2009

earth science
soil maps are used to do what
September 29, 2009

auto repair technician
I do not want the questions I was looking for a study partner. And yes we are allowed to have a study partner look at the rules.
September 28, 2009

science
The living plants that are most similar to the first plants to bear gametangia are the _____. a) charophyceans b) seedless vascular plants c) angiosperms d) gymnosperms e) bryophytes
September 22, 2009

Phyics
Thank You not sure how i did catch that lol.
September 16, 2009

Phyics
A Rock Is Thrown Vertically upward with a speed of 12m/s. Exactly 1.00s later a ball is thrown up vertically along the same path with a speed of 18m/s. At what time will they strike each other? so far I got this but it does not seem to be working out for me. G=-9.80m/S^2 Y1=0+...
September 16, 2009

vocabulary
slavery in the united states
September 8, 2009

social studies
slavery in the united states
September 8, 2009

6th grade
a chocolate bar is separated into several equal pieces, if one person eats 1/4 of the piecel; and the second person eats 1/2 of the remaining pieces; there are six pieces left over. into how many pieces was the orinal bar divided?
August 31, 2009

5th grade
the two violinists played a duet. is the subject , two violinists ; is the predicate , played ?
August 25, 2009

science
stalagmites
August 25, 2009

math
Manday read that the arm of the Statue of Liberty is 42 ft long. She would like to know how long the Statue of Liberty’s nose is. How would you advise her to proceed?
August 22, 2009

5th grade
thank you mrs. sue my mom said you are awesome !
August 20, 2009

5th grade
early explorers took beads with them to americans. the complete subject is early explorers ?
August 20, 2009

5th grade
how do you seperate the complete and simple subject
August 20, 2009

language arts
artists use
August 20, 2009

language atrs
whats the complete subject , artists use a needle and thread to attach beads to clothes.
August 20, 2009

5th grade
the artist
August 20, 2009

5th grade
what is the complete subject , artist use a needle and thread to attach beads to clothing.
August 20, 2009

5th grade
what is the complete subject , a person must have very good eyesight to work with beads.
August 20, 2009

Social Studies
how did sugar and slavery contribute to both the rise and fall of mercantilism?
July 28, 2009

Geography
plisss tipe in this in google jared diamonds theory
May 19, 2009

Calculus
We're doing optimization problems and this is one that I am having trouble with: Suppose a business can sell x gadgets for p=250-0.01x dollars apiece, and it costs the business c(x)= 100+25x dollars to produce x gadgets. Determine the production level and cost per gadget ...
May 3, 2009

calculus
Never mind, I figured it out; because y= csc(e^6x), the ys cancel out, so we are left with -1/6 (integral of) dy, which gives us -1/6 csc(e^6x) + C. Thank you for the help!
May 2, 2009

calculus
I know that your answer is right because it is one of the options on my homework sheet, but I don't think I quite understand how everything cancels out. If we call csc(e^6x) y from the beginning, upon initial substitution we have: (integral of) (e^6x)(y)(cot(e^6x))dx now ...
May 2, 2009

calculus
We're doing indefinite integrals using the substitution rule right now in class. The problem: (integral of) (e^6x)csc(e^6x)cot(e^6x)dx I am calling 'u' my substitution variable. I feel like I've tried every possible substitution, but I still haven't found ...
May 2, 2009

Calculus
1. Use the Taylor series to calculate the limit. Problem: limit as x approaches 0 is equal to (1-cos(x))/(1+x-e^x). I did the problem out but I need help in seeing if its correct. limit as x approaches 0 is equal to (1-cos(x))/(1+x-e^x)= (1-(1-x^2/2+x^4/4!-...))/(1+x-(1+x+x^2/...
April 28, 2009

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | Next>>

Search
Members