Recent content by bored2death97

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    Initial speed of proton between parallel plate=?

    Homework Statement So I just wrote my midterm in physics, and I was curious on how to do the last question. Parallel plates, length 5.5cm, Distance between them is 0.3 cm Electric Field (E) is 5.4x10^4 Asking what is the initial speed of a proton going through the parallel plates if it just...
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    Find Acceleration using Velocity and a given equation

    No problem. Happy to help. Just 1 thing though, you learn integrals in university or college, so you don't need to bother with learning them now. You could if you want, but it would be a lot of extra work.
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    Find Acceleration using Velocity and a given equation

    I am unsure as to if you have learned how to do derivatives yet. But that is the easiest way of solving this. The derivative of displacement is velocity, and the derivative of velocity is acceleration. Have you by any chance learned derivatives yet? I will explain using the derivative. First...
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    What Is the Phase Difference Between Two Speakers Emitting Sound Waves?

    Homework Statement Two loudspeakers emit sound waves along the x-axis. a listener in front of both speakers hears a maximum sound intensity when speaker 2 is at the origin and speaker 1 is at x=0.50m. If speaker 1 is slowly moved forward, the sound intensity decreases and then increases...
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    What is the speed of the string? (wave problem)

    It increases by a factor of 4. Thank you.
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    What is the speed of the string? (wave problem)

    Homework Statement A wave travels along a spring at speed v0. What will be the speed if the string is replaced by one made of the same material and under the same tension but having twice the radius. Answer in book says (v0/2) Homework Equations v=√(T/μ) speed= square root of...
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    Limit question. Have solution, need to know how to get it.

    Homework Statement I was working on a problem in my book, and I didn't know how to answer the question. So I looked at the solution manual. and it had this http://imgur.com/VF4yl I do not know where the (cosx + 1) on the bottom came from. Any ideas? Please explain. Homework Equations...
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    Which speed is greater? Different question, Is this possible?

    I asked my prof about the cart question, and he said the answer was no, which is what I put. Didn't ask him about the other question, but a lot of people here are saying that it would have the same speed.
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    Which speed is greater? Different question, Is this possible?

    This isn't a homework question, just did a midterm and I am curious about a question. it had this diagram. Same initial speed. http://imgur.com/nsaDG and it asked which statement is most correct about the speed at height, h (the line going across the graph) a) It depends on their masses b)...
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