Recent content by Wishingwell

  1. W

    Is research still being done in Classical Mechanics? (and another question)

    ^ topic It just seems Classical Mechanics seems to be the most "complete" sub-field of Physics but I was just wondering. Also, I have just finished taking my Classical Mechanics I class at my university (and I want to give a thank you to the forum again for helping me) and to be honest...
  2. W

    Air Track Problem with friction

    Homework Statement An air-track glider of mass 0.109 kg is attached to the end of a horizontal air track by a spring with force constant 22.5 N/m (a) With the air track turned off, the glider travels 8.8 cm before it stops instantaneously. How large would the coefficient of static...
  3. W

    Spring problem. I thought I had it

    Homework Statement To stretch a spring 3.30 cm from its unstretched length, 12.5 J of work must be done. (a) What is the force constant of this spring? (b) What magnitude force is needed to stretch the spring 3.30 cm from its unstretched length? (c) How much work must be done to compress...
  4. W

    How viable is it to do Engineering later?

    Yes, I know that Physics isn't the best pre med major but I like it. I'll find out the hard way those two don't mix at least :) But thank your for the information. I'll look into some EE electives if my GPA doesn't soar.
  5. W

    How viable is it to do Engineering later?

    Hello all, I am currently a Physics Major with Pre-med and I just considered what would happen if by any chance I do not make it into any medical school. I am currently a Physics major right now and would prefer to stay that way (at the moment). My question is, if Medical School doesn't work out...
  6. W

    Two-Dimensional Motion help with a Flatcar

    Homework Statement A man is riding on a flatcar traveling at a constant speed of 8.85 m/s. He wishes to throw a ball through a stationary hoop 3.60 m above the height of his hands in such a manner that the ball will move horizontally as it passes through the hoop. He throws the ball with a...
  7. W

    Was my professor right to count me off?

    He explained that it was "algebra" and didn't need to be explained since we were suppose to know that factoring was the correct way to do it.
  8. W

    Was my professor right to count me off?

    Homework Statement I recently was counted off during a math quiz stating that I made a mistake in my arithmetic regarding the derivative of a function using the limit approach. (The long way with the lim h->0) The equation was f(x) = -16x^2 + 20x and I was suppose to find f'(x) using...
  9. W

    Simple vector problems (but causing me a headache)

    Homework Statement For the vectors vector A and vector B in the figure below, use a scale drawing to find the magnitude and direction of the following vector operations. (A = 12.4 m, and B = 18.6 m.) (Measure angles counterclockwise from the +x axis) Visual link below I was digging a...
  10. W

    How much does pretige affect me? (two questions)

    Hello all, I'm vacillating between two schools right now(and deadline is almost here!), both state schools. One of the schools I absolutely love every minute being in and the surround town, but it is not too well known. The other school- which is nice don't get me wrong- is more of the...
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