Calculating velocity of water flow form tap

In summary, the question asks for the velocity of a stream of water 20 cm below the top, given a measuring cylinder that collects 475 mL of water in one minute and a diameter of 0.700 cm at the top. The proposed formula for calculating velocity is v=√2gh, but it is unclear if this is the appropriate formula and if all necessary information is available. The suggested approach is to first calculate the velocity at the top and then determine the change in velocity 20 cm below the top.
  • #1
jannx3
6
0

Homework Statement



A measuring cylinder collects 475 mL of this
water in a minute. At the top the diameter of the stream is 0.700 cm.

Homework Equations




What is the velocity of the stream 20.0 cm below the top?

The Attempt at a Solution


im not sure which formula to use?
i was thinking v=√2gh
 
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  • #2
jannx3 said:

Homework Statement



A measuring cylinder collects 475 mL of this
water in a minute. At the top the diameter of the stream is 0.700 cm.

Homework Equations




What is the velocity of the stream 20.0 cm below the top?

The Attempt at a Solution


im not sure which formula to use?
i was thinking v=√2gh

You are given a known volume of water which collects in a given amount of time in a graduated cylinder with a known diameter. Why do you think v = SQRT(2gh) is the appropriate formula to use? Do you have the necessary information to even use this formula?
 
  • #3
First, get the velocity of the water at the top.

Then figure out how much the velocity changes 20 cm. below the top.
 

Related to Calculating velocity of water flow form tap

1. How is the velocity of water flow from a tap calculated?

The velocity of water flow from a tap is calculated by dividing the volume of water that comes out of the tap in a given time period by the cross-sectional area of the opening of the tap.

2. What is the formula for calculating the velocity of water flow from a tap?

The formula for calculating the velocity of water flow from a tap is velocity = volume / cross-sectional area.

3. How can I measure the volume of water coming out of a tap?

You can measure the volume of water coming out of a tap by using a measuring cup or container and recording the amount of water that comes out in a given time period (such as one minute).

4. What is the standard unit of measurement for velocity of water flow from a tap?

The standard unit of measurement for velocity of water flow from a tap is meters per second (m/s).

5. Can the velocity of water flow from a tap vary?

Yes, the velocity of water flow from a tap can vary depending on factors such as the water pressure, the size of the opening of the tap, and any obstructions or blockages in the pipes.

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