River

Calculate how many permille river Dunaj average falls, if on section long 957 km flowing water from 1454 m AMSL to 101 m AMSL.

Correct result:

p =  1.41

Solution:

h1=1454101=1353 m h2=957 km m=957 1000  m=957000 m  s=h1h2=1353957000=41290000.0014  p=1000 s=1000 0.0014=4129=1.41 ‰



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