Recent content by ATranPV

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    When Will the Package Hit the Ground?

    Homework Statement A hot-air balloon is ascending at the rate of 10 m/s at a height of 84 m above the ground when a package is dropped. Find time it took to hit the ground Find Final velocity Homework Equations The Attempt at a Solution Initially, I am inclined to use the equation Yf =...
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    Converting km/hr to m/s^2: What is the Formula?

    Really? Must be a typo then...good to know that I'm not missing something obvious!
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    Converting km/hr to m/s^2: What is the Formula?

    Homework Statement Convert 83km/hr to m/s^2 Homework Equations Simple I know...but I still can't figure it out The Attempt at a Solution 83km/hr(10^3m/km)(1hr/60min)(1min/60sec) The units cancel however leaving me with m/s not with m/s^2. The seconds^2 is what I cannot figure...
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    Net Ionic Equations: Solutions & Examples

    I've figured them out. I was trying to do double displacement for the acid base reacton and realized that the second one is a REDOX reaction. Thanks!
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    Net Ionic Equations: Solutions & Examples

    Homework Statement Write the net ionic equation for the following reactions: 1). Excess 6 M HNO2 is added to 1 M Na2CO3. Na2CO3 displays 2eq/mol 2). Nitric Acid is added to Zinc metal. The products are nitrogen monoxide and zinc ion. Homework Equations NA The Attempt at...
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    Graduate Mathematician Wins Abel Prize for Exotic 7-Dimensional Spheres

    Hey guys I heard an interesting segment on NPR today regarding a mathematician that received the Abel prize for his work in explaining and proving "the existence of exotic seven-dimensional spheres". http://www.npr.org/2011/03/24/134832727/American-Mathematician-Wins-Abel-Prize Any...
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    High School Suggestions on how to learn calculus BEFORE I take the series

    For me, I concentrated on having a solid foundation in Algebra and Trigonometry. With that, calculus so far has been a breeze. Know your identities, inverses, how to complete the square, radicals, multiplying by conjugate etc.
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    Why Most People do not like Mathmetics ?

    "When am I EVER going to need to use this?" is a phrase that unfortunately I have heard way too many times. This statement is dead on. It might be an American thing where its cool to have the ability to shotgun a beer rather than doing multivariate calculus...
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    The Fast Food Appreciation Thread.

    Taco Bell's 32% real meat crunch taco aint too shabby!
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    Aspiring to become a Mechanical Engineer

    Hello PF users: First off, I would like to say how excited I am to be part of the PF community. I just wanted to make a brief introduction of myself to 'break the ice'. I am a 19 year old student aspiring to become a Mechanical Engineer. I love learning how things work and how to...