Recent content by JackCatDaily

  1. JackCatDaily

    B Would a fall from 53 centimeters break the glass from a window?

    You could test 25 times(or any number) and the results will vary each time. A pattern may surface, but not much more. There are many many factors/parameters that would apply.
  2. JackCatDaily

    Question About Electric Aircraft Propulsion

    Put wings on a Train and have a prop attached to the boiler. Let's see if it works.
  3. JackCatDaily

    Magnet repulsive force -- how long does it last?

    Sounds like you are asking if there is an energy drain in the magnets that will eventually lead to a demagnetized state of the magnets. Magnets are perpetual—never dying—unless some outside influence changes them.
  4. JackCatDaily

    Where Will a Jumper Land on a Moving Train Around a Bend?

    A poorly written question will cause more confusion. If the jump is slight then C is the answer. If the turn and the centrifugal force is slight(what is the definition of sharp) then the answer is still C. However, if the speed of the train is fast and the turn truly sharp then depending on...
  5. JackCatDaily

    Where Will a Jumper Land on a Moving Train Around a Bend?

    The answer as I see it is point C. I don't see a force acting on an "up" jump. Not a sideways jump, but an up jump. You will land in the same spot depending on the frame of reference. If the question is actually asking where will you land depending on the ground under the train then I would say...
  6. JackCatDaily

    How much radiation is too much?

    I can't help but think of the movie from 1959 "On The Beach" staring Gregory Peck, Ava Gardner and Fred Astaire. If you haven't seen it then please look it up.
Back
Top