The volume flow rate is in engineering and physics, especially fluid fluidity, the volume of fluid that is passed per unit time, usually even though depicted by symbol Q. It's the fluid that flows in that time. SI units have [tex]\bold{\frac{ m^3}{s}}[/tex] cubic meters, and the calculation can be defined as follows:
Solution:
[tex]\to \bold{flow\ rate= \frac{volume \ (ml) }{time\ ( hr)}}[/tex]
[tex]\bold{= \frac{50}{(\frac{15}{60})} }\\\\ \bold{=\frac{50}{0.25}} \\\\ =\bold{200\ \frac{ml}{hr}}\\\\[/tex]
Thus answer is 200 ml/ hr
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