Recent content by H2Bro

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    Graduate Calculating power and energy based on frequency and amplitude (pascal)

    Thank you elegysix! I just had a lab meeting on this very topic and although I am a couple weeks late in replying, your answer is (still) very timely. best
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    Graduate Calculating power and energy based on frequency and amplitude (pascal)

    I'm interested in measuring the amount of sound energy absorbed by some acoustic attenuation I'll be placing in the room. sorry if that wasn't clear. Also, I mentioned that the microphone is connected to a large amplifier, which drastically increases the voltage. The real solution is a...
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    Graduate Calculating power and energy based on frequency and amplitude (pascal)

    I like the somewhat unconventional thinking, but unfortunately I don't think its that simple. I can't assume there is perfect impedance matching between the diaphragm of the microphone and the air in the room, meaning its likely there is energy reflected off the plate and unabsorbed (so not all...
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    Graduate Calculating power and energy based on frequency and amplitude (pascal)

    I am doing this as a 1st year undergraduate working in a physics lab over the summer. I'd like to be able to quantify and prepare a report of what my project accomplished, and ideally, I can report something along the lines of "these insulators dissipate X microwatts of sound energy each across...
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    Graduate Calculating power and energy based on frequency and amplitude (pascal)

    Hello, I'm working on a project to absorb sound energy and I'd like to ask for hints, or methods, of calculating the energy received by the microphone, or energy per second (power). I took measurements using a very sensitive microphone which outputs a voltage to a DAQ card in a PC. Using...
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    Follow your Passion, but be smart about it.

    About 2 years ago I first posted on this forum. I sought career advice about following a passion of mine, physics. I was pretty starry-eyed at the time, with just a brazen curiosity and some intuition to guide my self directed studies. At the time I was working in marketing / restaurants /...
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    Undergrad Building up some intuition with Gauss's LAw

    I'm trying to build up some intuition with Gauss's law, calculating the flux through surfaces given certain charge configurations etc. For example, for any number of different charges enclosed in a box or sphere, if I move far away can I consider the object as a point source having the sum of...
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    How many hard science courses can you handle per semester?

    A program at my school called Engineering Physics requires, at times, for people to take 8 engineering / physics / math courses per semester. Some people can do this, but a lot of people take an extra year to finish. So, it can be done.
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    Best Practices and Preparations for a super-intense courseload

    Follow up question: Is it a bad idea to take matrix algebra without having done differential calculus first? Also, how about integral calculus?
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    Best Practices and Preparations for a super-intense courseload

    I'm looking to solicit advice on general studying tips, habits, and preparations for the upcoming academic year. My courseload is quite heavy, 6 full courses of math, physics, chemistry, and computer science. I am looking to do a month or two of full time preparation this summer to really gear...
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    High School What is the reason for the rainbows to be circular?

    What I saw was definitely a glory.However, is there a physical difference between the two i.e. in how the light is reflected, or is it just a difference in name?
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    Stephen Hawking warning that our extinction is on the horizon

    I think the latest pope is from South America.
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    Usefulness to employers as a physics graduate.

    Not sure if this has been mentioned before as its pretty left field. Have you considered business consulting? Consulting firms usually have on-campus hiring fairs. They are essentially looking for one skill set: Analytically deconstructing totally foreign problems in a very clear, methodical...
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    Engineering Pursuing a Masters in Engineering with a BA in physics?

    I've been reading up on accelerator physics and was surprised / interested to see there are huge industrial applications. Especially the factoid that only 4% of accelerators actually go towards research! I am pursuing a Bachelor of Engineering Physics degree (starting up next year hopefully)...
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    How significant are frats in helping you network later in life?

    I'll mention this as well, that fraternities can be really good venues for developing strong leadership skills. The people that served as presidents of my fraternity were able to go one and get great jobs for themselves. Wasn't necessarily through fraternal connections, but no doubt showing you...