Recent content by Rubberduck2005

  1. Rubberduck2005

    Centripetal Motion problem -- A bead sliding around a horizontal loop

    jbriggs444 How would you determine net force using it's velcoity?
  2. Rubberduck2005

    Centripetal Motion problem -- A bead sliding around a horizontal loop

    To be honest I am a bit clueless first with how to interrupt this question I think the bead is going around a wall type thing where there is friction both in the up and X direction. Some hint to get some ideas running would be great
  3. Rubberduck2005

    Simple conceptual reference frame question

    If a train is moving at some constant V with a bed sitting still on top. When the train decelerates at some rate -A then the bed will move at some acceleration A. I can't seem to get an intuition for how this comes to be. I have looked online and find no help.
  4. Rubberduck2005

    A slightly complex pully problem missing the final step

    sorry this is null I was reading the wrong figure
  5. Rubberduck2005

    A slightly complex pully problem missing the final step

    or is it To=m2g+m1g-T1 as the pulley need support the two masses but the tension from the other rope takes some of that load off Lnewqban Delta2
  6. Rubberduck2005

    A slightly complex pully problem missing the final step

    if I worked out T2+T1 would this be correct?
  7. Rubberduck2005

    A slightly complex pully problem missing the final step

    Lnewqban To=T2-T1+2T1 ? is what I see in the figure
  8. Rubberduck2005

    A slightly complex pully problem missing the final step

    so I have already done most the work in finding the following things M1A1=M1g-T1, M2A2=M2g-T2 T2=2T1 M2A2=M2g-T2 and then through further working out(use of the invariance of length of L1 and L2 the strings attached to M1 and M2 then finding A1=-2A2) A1=2g(2M1-M2)/(4M1+M2) and...
  9. Rubberduck2005

    Bead sliding on a Vertical Circular Loop versus in Free Fall

    angles of the same base cord are equal? but it doesn't connect with the circumforance
  10. Rubberduck2005

    Bead sliding on a Vertical Circular Loop versus in Free Fall

    kuruman hi thank you for dismissing my claim can you link me to a video on this theorem or simply hint at how to achieve insight into what the idea could be
  11. Rubberduck2005

    Bead sliding on a Vertical Circular Loop versus in Free Fall

    @haruspex I am also not sure what theorem you are talking about
  12. Rubberduck2005

    Bead sliding on a Vertical Circular Loop versus in Free Fall

    haruspex With regards to your first comment I create a triangle using (180 -W) as my top angle and the bottom left being 90 from this I deduced that the angle in the bottom left need be 90-W thus the angle between the weight and the negative normal be that angle?
  13. Rubberduck2005

    Bead sliding on a Vertical Circular Loop versus in Free Fall

    I can evaluate the first beads motion easily A to B is -2Rj considering the point B as y=0 the motion of the bead will be -gt^2/2+2R=0 which implies t=2√(R/G) , this is ok but what I am struggling with is A to C I can see that the angle between the beads weight and it's negative normal force...
  14. Rubberduck2005

    Tricky conceptual Projectile motion question

    jbriggs444 I am really stuck on this one could you give me any more than that?
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