If an object is underground, how can it move above ground, without using motors?
1 Aug 2005 #1 T Tom Guest If an object is underground, how can it move above ground, without using motors?
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1 Aug 2005 #2 M Met Driver Established Member Joined 8 Jun 2005 Messages 1,734 Get a push from the 'object' behind, by any chance?
2 Aug 2005 #8 J jd Member Joined 9 Jun 2005 Messages 675 Erosion. Ground above is eroded over time, until the thing is exposed at the surface. 8)
2 Aug 2005 #9 T Tom Guest No, we are in a tube train here, the momentum moves it down a hill (as TPE said), but how does it get ABOVE ground, rather than underground? Note, I gave away the answer in this explanation, so see if you can get it.
No, we are in a tube train here, the momentum moves it down a hill (as TPE said), but how does it get ABOVE ground, rather than underground? Note, I gave away the answer in this explanation, so see if you can get it.
2 Aug 2005 #10 evil_hippo Member Joined 9 Jun 2005 Messages 772 Location Lewisham It is under a hill with an edge at a greater angle than its slope.