Recent content by jarred15801

  1. J

    Thickness of T304 stainless steel

    Ha okay, i need to correct something though. This would be for a scale to weigh trucks and there would be a platform on the I-beams that the trucks would pull onto. The frame will actually have to be bigger then 102 inches, i messed that up. The contact point of the tires of the truck would...
  2. J

    Thickness of T304 stainless steel

    Well it does relate to my homework, but i figured it could go in this section because i thought it would be a quick and simple question that didn't really have to be put into the terms of my homework. Just kind of asking what the thickness would have to be with those supports under it and that...
  3. J

    Thickness of T304 stainless steel

    Okay the black is the frame made of t304 stainless steel, the yellow is the I-beams also made of t304. The red are were the supports will be holding the frame off the ground. So how think should the frame and ibeams be if 70 ton total weight were placed on the I-beams.
  4. J

    Thickness of T304 stainless steel

    Okay I am not sure if this is going to make sense to you but please work with me. If i had a rectangular frame of t304 stainless steel 90 feet long and 102 inches wide with supports holding it off the ground at each corner and one support on each 90 foot side in the middle, so theyd be 45 feet...
  5. J

    How can I calculate the velocity of a golf ball using a compressed air gun?

    My high school physics is good, probably my favorite class. They are good teachers though that may be why I like it. My teacher was going for her masters in physics and one of the other teachers had a degree in rocket engineering. I learned a lot, it's just that I forget a lot too.
  6. J

    How can I calculate the velocity of a golf ball using a compressed air gun?

    So if a pop bottle can hold higher psi then a culligan jug, then it should be able to shoot the ball further? or does the volume of air have an effect on it?
  7. J

    How can I calculate the velocity of a golf ball using a compressed air gun?

    In school we made water rockets by filling 20oz. water bottles 1/3 full of water and then filled them to 140psi and they held the pressure fine.
  8. J

    How can I calculate the velocity of a golf ball using a compressed air gun?

    I'm not sure if this will help to solve but the total surface area of the ball is 8.76sq.in. Also I know the answer won't be exact due to barrell length and friction, but I would just like a rough estimate. thanks
  9. J

    How can I calculate the velocity of a golf ball using a compressed air gun?

    I was planning on making a compressed air gun using a culligan water jug. I'd put a bicycle valve stem in the bottom of the jug and us a valve on the top with a barrell attached that has the diameter to shoot golf balls. I know this has been done before but I've never seen a water jug this big...
  10. J

    Questions about electromagnets

    http://www.magnetechcorp.com/Round.htm The magnet I am talking about has some info on this page. Its the magnet at the bottom of the list under the 12v section. I don't know if that helps you answer my questions any? And what is the proportional constant k? Is it the magnetic strength...
  11. J

    Questions about electromagnets

    Allright, I'm only 17 and I have some questions about electromagnets. Okay, say I have an electromagnet that had a holding value of 1700lbs. when there was no gap between the magnet and the metal object. My question is would this magnet be able to pick up the metal object if it were around 4...
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