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    Electron speed in wire in circuit

    I do not agree with the "answer" below. What do you think about it? Question: When you turn the key in an automobile, you complete a circuit from the negative terminal through the electric starter and back to the posstive battery terminal. This is a DC circuit and electrons migrate through the...
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    The Graph About Torque And Mass

    Hi i am having a problem that i don't understand. i on a lab i must present the relationship of torque mass distance from the axis. the problem is how can i graph the graph with the mass of the object is the slope. this is really urgen! Please help me!
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    Hardwares help advices or direction please!

    hi! i am Vincent! i am a new comer in the computer world, and now i want to have information about hardware of a computer to know how a computer work phisically. please help me some ideas or give me some advice about my research! thanks for paying time to read my articles. by the way,is...
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    Solar power ideas-help !

    solar power ideas-help!!!!!!!!!!!!!!!!!!!!! hi i have a idea that i will use the solar panel to made a power source station to provide electricity with a variable voltage output. can you give me some ideas or suggestions about that i dea!!!!!!!!11 any idea would be great! thanks you for...
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    How can i prepare for a medical school?

    hi! thank for coming to answer my question! i am junor in high school. i want to have a future in the medical field but i don't know the way to go now. i will graduate next year but i don't know what i should take in college so i can be well-prepared for the medical shool? i will take an AP...
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    Integration of newton equation?

    integration of newton equation??????? Newton's second law is insufficient to describe the motion of a particle. In addition, it requires a value for F, obtained by considering the particular physical entities with which the particle is interacting. For example, a typical resistive force may be...
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    Modeling By Calculus?

    Modeling By Calculus?????!??? HI I AM A STDENT WHO REALLY EXCITED OF PHYSICS. ESPECIALLY A BOUT THE MATHS THAT APPLIED IN PHYSICS. SOMEBODY SAYS THAT WITH CALCULUS WE HAVE HAD A VERY POWERFUL TOOL FOR MODELING. I HOPE MANY PEOPLE WITH DISCUSS ABOUT THAT IN THIS THREAD SO WE CAN KNOW MORE...
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    Legendre polynomials Pl(x)

    some body who can explain for me the Legndre polynomials:eek: :eek:
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    How can Einstein?

    hi! i have a question. can you help me answer it? i have studied physics about the equation E=mc^2. i know that everybody who studying physics know it. can some body show me how he got there? what maths mean that he used to reach that? i wonder if it is really complex? thanks!
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    How can i?

    hi i want to master physics and science(mot all but the more i know, the better it is). on the other hand i want to find a job that fit with that academic subject? can you give me some advice for that idea?/ can you show me how to start to study nuclear physics, such as where i should begin...
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    Solar energy heat energy light energy

    solar energy heat energy light energy...... i am a student in high school. and i want to ask someone about the basics of solar energy. i want to create a solar system that can heat up water. anyof you can give some advices/ equation/model/ for my idea. is ther possible if a solar cells can...
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    Why the molecules still moving to create the diffusion and the effusion?

    i know that the molecules in the "freedom" form that have charges equal 0. but i wonder why the molecules still moving to create the diffusion and the effusion? some one please explain to me. thanks:!!)
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