thing

  1. neila9876

    Charge moves relative to charge: one thing two aspects?

    1. Two neutral balls move relative to each other (one thing). When the frame of reference is established on the left ball, the right ball is moving (one aspect). When the frame of reference is established on the right ball , the left ball is moving (another aspect). In respect of...
  2. M

    Super tricky thing i cant solve please help me!

    PLEASE HELP SOLVE THIS CRAZY RIDDLE. See picture attached.