Is Physics Really Wrong About Object Motion?

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BIG BREAKTHROUGH,
I proved Physics is wrong. Consider the following:

If an object is thrown straight upward with an initial speed of 8m/s, and takes 3
 
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Uhm... yeah...

I'm convinced.
 
Is this one of those things where we're supposed to finish off the sentence?
 

Thread 'The Physics of unloading sand from a barge'

I think it's easist first to watch a short vidio clip I find these videos very relaxing to watch .. I got to thinking is this being done in the most efficient way? The sand has to be suspended in the water to move it to the outlet ... The faster the water , the more turbulance and the sand stays suspended, so it seems to me the rule of thumb is the hose be aimed towards the outlet at all times .. Many times the workers hit the sand directly which will greatly reduce the water...
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