Researchers at the University of Georgia have evaluated trends in streamside forests in areas within roughly 400 feet of the sta
te’s streams and rivers. A decline in streamed forests is evident across much of the state. Between 1974 and 2005, 41 of the state’s 52 large watersheds showed declines in riparian forests. The greatest losses were in the Upper Chattahoochee, Middle Savannah, Upper Ocmulgee, and Middle Chattahoochee.
Stream-side or riparian land lies directly along rivers, streams, and other bodies of water and provide benefit to the aquatic ecosystems in ALL BUT ONE of the ways listed here.
A) helps to maintain stream temperatures
B) adds aesthetic value to the landscape
C) riparian vegetation traps and removes pollutants
D) produces organic matter that aquatic animals use as food
Stream-side or riparian land lies directly along rivers, streams, and other bodies of water and provide benefit to the aquatic ecosystems in ALL BUT ONE of the ways listed here.
A) helps to maintain stream temperatures
B) adds aesthetic value to the landscape
C) riparian vegetation traps and removes pollutants
D) produces organic matter that aquatic animals use as food
1 answer:
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This question involves the concepts of dynamic pressure, volume flow rate, and flow speed.
It will take "5.1 hours" to fill the pool.
First, we will use the formula for the dynamic pressure to find out the flow speed of water:
where,
v = flow speed = ?
P = Dynamic Pressure = 55 psi = 379212 Pa
= density of water = 1000 kg/m³
Therefore,
v = 27.54 m/s
Now, we will use the formula for volume flow rate of water coming from the hose to find out the time taken by the pool to be filled:
where,
t = time to fill the pool = ?
A = Area of the mouth of hose = = 1.98 x 10⁻⁴ m²
V = Volume of the pool = (Area of pool)(depth of pool) = A(1.524 m)
V = = 100.1 m³
Therefore,
<u>t = 18353.5 s = 305.9 min = 5.1 hours</u>
Learn more about dynamic pressure here: