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lyudmila [28]
3 years ago
14

How is the volume flow rate of water out of the tank, dVdt, related to the flow speed v ? Express your answer in terms of some,

all, or none of the variables v , d, the acceleration due to gravity g, and the constant π.
Physics
1 answer:
Rainbow [258]3 years ago
8 0

Answer:

\frac{dV}{dt}= \frac{\pi d^2}{4}v

Explanation:

The rate of volume flow out of tank can be expressed as:

\frac{dV}{dt} = A\frac{dL}{dt}

where,

dV/dt = Volume flow rate

A = Cross-sectional area of outlet = πd²/4

d = diameter of circular outlet

dL = Displacement covered by water

dt = time taken

but we know that:

Velocity = υ = displacement/time = dL/dt

Substituting the values of "dL/dt" and "A" in the equation, we get:

\frac{dV}{dt} = \frac{\pi d^2}{4}v

This is the expression for volume flow rate dV/dt, on terms pf v, d.

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