The _____________ is your car’s electrical charger. It’s various parts are contained in an aluminum housing and generate direct
1 answer:
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<h2>Answer:</h2>
Rate of discharge in cumecs: <u>0.0048m³/s</u>.
Velocity flow: <u>24m/s</u>.
<h2>Explanation:</h2><h3>1. Find the rate of discharge in cumecs.</h3>
a. Convert from litres to m³.
120L*1000= 120000mL
120000mL=120000cm³
120000cm³/100³=0.12 m³.
b. Rate of discharge.
<em>If 0.12 m³ where discharged in 25 seconds, the rate of discharge is:</em>
0.12m³/25s = 0.0048m³/s.
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<h3>2. Find the velocity flow.</h3>Let's refer to the fluid mechanics equation that relates volume flow, area and velocity. This is the formula:
; where the expression
is the volume flow rate (in m³/s); A is the cross-sectional area of the pipe (in m²), and v is the velocity flow (in m/s).
a. Solve the equation for v.
b. Calculate the cross-sectional area of the pipe.
<em>The cross-sectional area of the pipe is a circle. Hence, the formula of this area is:</em>
<em>We'll have to convert the diameter to meters, because the formula for flow velocity needs the area in m². Let's go ahead and do that.</em>
<em />.
<em>We were given the diameter, and the formula uses the radius, but the radius is just half of the diameter, therefore, we can substitute in toe formula like this:</em>
c. Substitute in the new expression for velocity flow and calculate.