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Asphalt Alligator

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  • Favorite Area of Science
    Physics

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  1. The chances of life ever starting on our beautiful planet even though it is in the 'Goldilocks' zone for life to exist, was extremely remote to put it mildly and yet we are here in all our splendour. This being the case I am still firmly of the belief that it is quite possible that there is no life anywhere else in the universe. We could be totally on our own. What does anyone think about that? - it is a sobering thought and does make me anyway start to think that some kind of higher force has had a hand in our creation though I do think evolution is true and exists.
  2. What about turning round the other way and firing the gun in the same direction as the train? Will the bullet ever emerge from the barrel? Or will the back of the gun barrel be constantly catching up with the bullet and so the bullet remains in the barrel?
  3. Imagine you are stood on the back of a train doing 2000mph. You have a gun which fires bullets at 2000 mph. You fire the gun in the opposite direction to the direction of the moving train. What happens to the bullet? Does it simply fall to Earth as the train speeds away at 2000 mph? Does it, at the moment of firing, behave like a normal bullet would fired from a stationary gun and speed away from the fired and momentarily (whilst the gun is fired) stationary gun? Or is there some other answer?
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