Answer:
, it flows through your community's sanitary sewer system to a wastewater treatment facility.
 
        
             
        
        
        
Answer:
Explanation:
Let h be the height .
initial velocity in first case u = 0 
final velocity v = 6 m /s 
acceleration due to gravity g = 9.8 m /s²
v² = u² + 2 g h 
6² = 0 + 2 x 9.8 x h 
h = 1.837 m .
For second case u = 3 m /s 
v² = u² + 2 gh 
= 3² + 2 x 1.837 x 9.8 
= 9 + 36
= 45 m 
v = 6.7 m /s 
 
        
             
        
        
        
Force, pressure, and charge are all what are called <em>derived units</em>. They come from algebraic combinations of <em>base units</em>, measures of things like length, time, temperature, mass, and current. <em>Speed, </em>for instance, is a derived unit, since it's a combination of length and time in the form [speed] = [length] / [time] (miles per hour, meters per second, etc.)
Force is defined with Newton's equation F = ma, where m is an object's mass and a is its acceleration. It's unit is kg·m/s², which scientists have called a <em>Newton</em>. (Example: They used <em>9 Newtons</em> of force)
Pressure is force applied over an area, defined by the equation P = F/A. We can derive its from Newtons to get a unit of N/m², a unit scientists call the <em>Pascal</em>. (Example: Applying <em>100 Pascals </em>of pressure)
Finally, charge is given by the equation Q = It, where I is the current flowing through an object and t is how long that current flows through. It has a unit of A·s (ampere-seconds), but scientist call this unit a Coulomb. (Example: 20 <em>Coulombs</em> of charge)
 
        
             
        
        
        
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