Recent content by onsem

  1. O

    What is the Time t for a Train to Travel through a Tunnel between LA and NY?

    I'm looking for solution only for this one case.
  2. O

    What is the Time t for a Train to Travel through a Tunnel between LA and NY?

    Hi, I need help with interesting assigment. So, here it is: I have to work out time t. t is time of a trip by a tunnel digged between LA and NY. Distance between LA and NY by surface is 5000km. Earth radius is 6378km. Friction is ignored. The motion is in a train propeled by a...
  3. O

    What is the Trajectory of Four Rockets in a Square Formation?

    Each rocket is heading on the rocket in front of it (in every moment) and each one has the same speed v as the other three rockets (they also started at the same moment so they have to have the same trajectory turning into the centre of the square). I hope that I have ansanswered on your...
  4. O

    What is the Trajectory of Four Rockets in a Square Formation?

    Hi, first I want to apologize for my english. I'm not from an English speaking country and I have to practise. I have a quite interesting physical assignment for you. I was trying but I still can't solve it. If you would have an idea or if you would know how to solve it please let me...
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