Tuesday
September 2, 2014

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Total # Posts: 36

Physics
When you put water in a kitchen blender, it begins to travel in a 6-cm-radius circle at a speed of 2 m/s. How hard must the sides of the blender push inward on 0.004 kg of the spinning water?
April 15, 2013

Physics
A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's surface). If the earth...
April 15, 2013

Physics
When a man, who weighs 650 N, stands on a particular trampoline, its springy surface shifts downward 0.1 m. If he bounces on it so that its surface shifts downward 0.28 m, how hard is it pushing up on him?
April 15, 2013

Physics
A 9.6-m-long elastic band is used to launch a toy glider. Once stretched to a length of 38 m, the band releases 1.7 J of elastic potential energy when you let it contract 0.071 m. What forward force is the band exerting on the toy glider?
March 25, 2013

Physics
A 9.6-m-long elastic band is used to launch a toy glider. Once stretched to a length of 38 m, the band releases 1.7 J of elastic potential energy when you let it contract 0.071 m. What forward force is the band exerting on the toy glider?
March 25, 2013

math
look at the first one
March 17, 2013

math
factor the expression completely. 15x^2+100x+125
February 25, 2013

physics
A basketball player can leap upward 0.69 m. What is his initial velocity at the start of the leap?
February 11, 2013


The origin of the energy is the reactor core. Control rods are pulled out of the core to start the reactor, and a controlled chain reaction begins and is maintained. Neutrons released in fissions create other fissions to keep the chain alive. The fissions release energy, much ...
February 5, 2013

help hexagon geometry
drwls you were close it's 4/3
December 19, 2012

Physics Can you help me get started
Never mind
November 26, 2012

Physics Can you help me get started
How did they get 9.804? Thank you
November 26, 2012

chemistry
25 mL of nitric acid of an unknown molarity are used. the end point of the titration was reached using the basic solution. what is the molarity of the nitric acid?
December 5, 2011

3rd grade math
i think its yes because look i will do it right now 9 plus
October 27, 2011

Chemistry
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ...
January 21, 2011

math
Thanks!
November 1, 2010

math
Help with this complex fraction please... (a+2/a^2+a-2) - (3a+1/a^2+2a-3) LCM is (a-1) (a+2) (a+3) right? then i get stuck
November 1, 2010

THE PARTS OF SPEECH
Thousands - noun of - preposition years - noun ago - adverb fish - noun were - verb (auxiliary) caught - verb (past participle) in - preposition nets - noun and - conjunction traps - noun
October 10, 2010

math
Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts. Include either an example from the text or one of your own examples to explain the solution process. I need help please!!!!
June 30, 2010

HRM 240
I am having trouble even starting this assignment. i hav no clue what to do!! Can someone plase help me out? Write a 700- to 1,050-word paper recommending to a company's board of directors that affirmative action policies be implemented. Include points supporting the ...
June 6, 2010

algebra
Process of eliminiation method ? Is there a solution, infinity or no solution. I don't get it. Can anyone help me? 3r - 5s = -27 5r + 3s = 23
May 26, 2010

math
Simplify: sqrt(49a^6) Thanks.
May 19, 2010

AP world history
m
February 20, 2010

Eth 125
I am just having difficulties understanding what I need to do. I am having no luck at all.
February 19, 2010

Eth 125
Post a 200- to 300-word summary of a current issue between Native Americans and the federal government. Identify the legislation that you think is linked to the issue, and explain why you think there is a connection. Consult the National Congress of American Indians Web site, ...
February 19, 2010

Algebra
x^t+2 / x^t Would the solution be x^2?
December 16, 2009

Chemistry
Convert 265 torr to pascals. 265 torr= ? Pa (760 torr= 1.01325*10^5) How do I go about solving this?
December 9, 2009

science
i dont know
November 10, 2009

english
over the summer i had to read Angela's Ashes by Frank McCourt and do 20 plot thoughts about the book. I did read the book, but I am having quite a hard time finding 20 meaningful quotes from the story that I am able to explain. Can anyone please help me?
September 2, 2009

french
Are you coming for vacation?
April 29, 2009

writing
help writing a meaningful shape poem
December 9, 2008


<h1>lodge powerless reduces tariff nil,Petkiewicz </h1>
April 9, 2008

Chemistry - Equations
fgfg
January 31, 2008

my topic. students, please post ur opinion too.
Argue the right of students to have freedom choice of subjects.
October 23, 2007

Chemoautotrophs
What are chemoautotrophs? Here are some questions I can answer: 1. What are chemoautotrophs? 2. What 'fuels' chemoautotrophs? 3. Are chemoautotrophs important in Biology? Why? Here are the answers: 1. Organisms that produce energy by chemosynthesis, oxidation of ...
December 5, 2006


<h1>discernible teletype annunciates Taoism!Boston openers </h1>
October 3, 2006

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