Recent content by hannah93

  1. H

    How on earth is this propelled?

    i've got it now it think... been pouring over it for 3 hours solid... this is how EMS works: http://www.maglevpa.com/tech.html this is how EDS works: http://www.rtri.or.jp/rd/maglev/html/english/maglev_frame_E.html (look under Principles of MagLev) fascinating stuff! one uses the...
  2. H

    How on earth is this propelled?

    how on Earth is this propelled?? the usual system is this: http://www.rtri.or.jp/rd/maglev/html/english/maglev_frame_E.html where fields are created in in guideway walls to propell the train... amazing stuff. BUT http://www.bwmaglev.com/technology/default.htm Its easy to...
  3. H

    Consequences of Uniform Velocity: A Bus Collision

    and surely the forces are only cancelling each other out if something appears to stay still (in your frame of reference)... if something appears to be moving then the forces aren't balanced - i.e thrust > air resistance for a moving vehicle...?
  4. H

    Consequences of Uniform Velocity: A Bus Collision

    isn't it experiencing 'g' by virtue of the fact it has weight? - and g is a measure of acceleration? F=ma? W=mg?
  5. H

    Consequences of Uniform Velocity: A Bus Collision

    is it true to say that everything in the universe has a force acting on it at all times...? in some cases these forces are balanced therefore the object is in equilibrium and appears to stay still? is it correct to say everything in the universe is in a state of motion? even an object on the...
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