Recent content by BluE

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    Coefficient Kenetic Friction and Kenetic Force

    I used free body diagram and based on numbers that we have, I didn't get the right answer for the coefficient of kenetic friction (mu k), which should become 0.061. I can't figure out how to get to here.. it's so frusterating.. please help clearify the steps.
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    Coefficient Kenetic Friction and Kenetic Force

    Hey, can you guys help me out with this... A 75 kg box slides down a 25 degree ramp with an acceleration of 3.6 m/s^2 ...what is the coefficient of kenetic friction? I know how to do the basic equation problems from what our teacher told us, but I don't know how to manipulate the...
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    Solve Friction Problem: Find Car Mass and Normal Force

    Alright, I've gotten it. Thank you, everyone.
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    Solve Friction Problem: Find Car Mass and Normal Force

    Yes, I've drawn a free body diagram, but I'm not sure how to solve it now. I have not solved questions using friction before. Do I need to find the x and y components and go from there?
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    Solve Friction Problem: Find Car Mass and Normal Force

    Hi, I got stuck on this and need help... So, the given info are: theta = 10 degrees force, applied = -2.00 x 10^4 N and mew k = 0.797 gravity = 9.81 m/s^2 Is that right? Now this is where I'm stuck.. I'm not sure what I need to find first and the equations to use to find it...
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    A few problems for math league

    Alright, I see now that it is in the fraction is reduced to the simplest form.
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    A few problems for math league

    1.) If x and y are positive integers, and 2003x=2004y, what is the least possible value of x? Wait- 2003x=2004y x=2004y/2003 x/y=2004/2003 so x=2004 and y=2003? That makes sense...
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    A few problems for math league

    Well, I'm not sure about the first and second, but I think I understand the third one. It looks like a trinomial squared.
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    A few problems for math league

    What are all real solutions of a for which the sum of the squares of the roots of x^2 - 8ax + 14a^2 = 0 is 25? (This is the last piece.)
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    A few problems for math league

    (a^2 - b^2)x^2 - (a^2 + b^2)x + ab = 0
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    A few problems for math league

    Okay, here's a third one. I have to put it in separate pieces because it keeps sticking together in one line. 3.) a^2 - b^2 \neq 0
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    A few problems for math league

    Let's see... I couldn't find the answers to these. They look fun- maybe you can find the solutions. 1.) If x and y are positive integers, and 2003x=2004y, what is the least possible value of x? 2.) An integral triangle is a triangle with positive side-lengths and a positive area. Such a...
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    How Do You Find the Molecular Formula for a Compound with a Given Molar Mass?

    What, did I say something wrong? Oh. Now I see. 14 and 16 are the amu of them. I didn't look at it.
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    How Do You Find the Molecular Formula for a Compound with a Given Molar Mass?

    If N=14 and and N=O/3, then 14=O/3 so O=14/3=4.66666... but you say O=16. I think I'm confused.
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    What is the largest number less than 1?

    Ah, okay. Sorry, and thanks. And since there is no "greatest number less than one" then that means there is no "greatest number less than x" when x is equal to any real number, right?
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