Which Funnel Will Allow Water to Flow Faster?

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Discussion Overview

The discussion centers around the question of which type of funnel—thin (1 inch) or wide (5 inch)—would allow water to flow faster when the same amount of water is poured into them. The conversation explores various factors that could influence the speed of water flow, including the method of pouring and the physical characteristics of the funnels.

Discussion Character

  • Debate/contested
  • Experimental/applied
  • Conceptual clarification

Main Points Raised

  • Some participants propose that the smaller funnel may allow water to reach a higher speed due to increased pressure from the mass of water forcing its way through a smaller opening.
  • Others argue that the method of pouring water into the funnels could significantly affect the results, suggesting that a more controlled approach is needed to define the experiment clearly.
  • A participant questions the relevance of the shape of the funnel and whether the sides have consistent slopes, indicating that this could impact the flow dynamics.
  • There is a distinction made between the velocity of water as a flow rate and the time taken for all the water to drain from the funnel, which may lead to different interpretations of "speed."

Areas of Agreement / Disagreement

Participants do not reach a consensus on which funnel would allow water to flow faster, as multiple competing views and factors affecting the flow are presented.

Contextual Notes

Limitations include the vagueness of the pouring method, the potential variability in funnel shapes, and the need for clearer definitions of terms like "speed" and "flow rate."

Samwoodford1996
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If you was to pour the same about of water though a thin funnel say 1 inch and through a big funnel say 5 inch which of the funnels will the water reach a higher speed ??
 
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Samwoodford1996 said:
If you was to pour the same about of water though a thin funnel say 1 inch and through a big funnel say 5 inch which of the funnels will the water reach a higher speed ??

Do you literally mean "the same amount" ? - such as 1 gallon ?

How is the experiment done? Do we plug the funnel temporarily, put the water in it and then unplug the funnel? Or are we pouring the water into the funnel from some other container ?
 
Yeah say 1 gallon and just poured straight into the funnels the bigger funnel will let more water though yes but which of the two will get a higher speed of water my opinion is the smaller funnel because of the mass of water forcing it's way through a smaller hole will cause more of a pressure and will cause a higher speed ?
 
Samwoodford1996 said:
just poured straight into the funnels
Much too vague. You should leave out the pouring, as it introduces many parameters, which will affect the result.
 
Samwoodford1996 said:
Yeah say 1 gallon and just poured straight into the funnels the bigger funnel

You'll have to be more specific in order to define a scientific experiment. For example, someone might pour water into a funnel in a thin stream that would go out the funnel without ever touching the sides of it. I think the shape of the funnel matters. Off hand, I don't know if most real funnels have sides with the same slopes.

There also a difference between the velocity of the water as a flow rate ( gallons per second) and "how fast" all the water is completely drained from the funnel ( seconds).
 

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