Explanation:
The frictional resistance of the various pipes are given by the
K value in the table which may be used with the formula
hf = KQ2
to relate the magnitude of head loss hf in the pipeline
to the volumetric flow rate, Q. Water is drawn at the constant flow
rates from the network at nodes C and D. The static heads
(elevation + pressure head) at nodes B, C and D are 100m, 65m
and 61m respectively above the local datum. Calculate the
discharges at C and D and the water level in reservoir A. (The
data has been added to the diagram to aid the solution)
Use no more than 3 iterations and 3 significant figures.
Some problems with direct democracy can be:
Sometimes the people are foolish and easily manipulated. Also representatives can also be foolish and easily manipulated.
Money applied in the right places can influence uninformed voters. But the same applies to representatives.
The people may not understand complex issues and may fall for simplistic solutions.
Do you have to make a table?
The economic cost to society each year from crashes and injuries on U.S. highways is <u>242 billion dollars</u>. Approximately, this may be about $784 per crash.
Answer
C. 242 Billion Dollars
