Answer:
About half or more
Explanation:
Over 50% of the United States population depends on groundwater for drinking water. Groundwater is also one of our most important sources of water for irrigation.
About 115 million people—more than one-third of the Nation's population—rely on groundwater for drinking water.
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(.140*25)+(75*0)= 3.5
3.5 = (.140 + 75)v
(3.5)/(.140 + 75) = v = .04657
which rounds up to .05 m/s
Answer:
The total momentum of a system is conserved only when the system is closed.
Explanation:
is the equation that represents the Joule's law of heating.
<h3>
Explanation:</h3>
Joule's law of heating defines the heat generated by any current flowing conductor is directly proportional to
1. Square of Current (I²),
2. Resistance of the conductor (R)
3. Time for which current is passed (t)
Hence, Heat generated = 
.....................(1)
By Ohm's Law, the potential difference (V) across a conductor is directly proportional to the current(I) flowing through it. The constant of proportionality is termed as resistance of the conductor (R).
...............................................(2)
From (2), Current (I) can be rewritten as
........................................................(3)
Substituting (3) in (1), we get
