Physics

A horizontal pipe narrows from a diameter of 10 to 5 cm. For an incompressible fluid flowing from the larger diameter to the smaller:

Question 5 options:

1.the velocity and pressure both increase.

2.the velocity increases and the pressure decreases.

3.the velocity decreases and the pressure increases.

4.the velocity and pressure both decrease.

5.the velocity increases but the pressure is unchanged.

  1. 👍 0
  2. 👎 0
  3. 👁 279
asked by Sonya
  1. along a streamline for example down the center Bernoulli equation applies:

    p + (1/2) rho v^2 = constant if height does not change

    When the diameter decreases, the same amount per second has to flow through a smaller area so velocity increases (continuity)

    Therefore
    smaller diameter --> faster flow and by Bernoulli thus lower pressure -->2

    1. 👍 0
    2. 👎 0
    posted by Damon
  2. Thank you so much!

    1. 👍 0
    2. 👎 0
  3. Anyone know about this answer

    1. 👍 0
    2. 👎 0
    posted by Namal
  4. Anyone know about this question

    1. 👍 0
    2. 👎 0
    posted by Namal

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    an ideal fluid in a pipe of diameter 14cm is moving at 6.0m/s. If the incompressible fluid density is 1.05grams/cc, what is the flow rate in kg/s and what is the speed of flow if the pipe narrows to 4.0cm radius?

    asked by Kirk on April 19, 2012
  2. Physics

    I can't seem to figure out this problem...what equation would I use? Thanks! An incompressible, nonviscous fluid is initially at rest in the vertical portion of the pipe, where L = 2.17 m. When the valve is opened, the fluid flows

    asked by bre on January 11, 2010
  3. physics

    A liquid of density 1354 kg/m^3 flows with speed 2.45 m/s into a pipe of diameter 0.29 m. The diameter of the pipe decreases to 0.05 m at its exit end. The exit end of the pipe is 7.82 m lower than the entrance of the pipe, and

    asked by michelle on November 29, 2012
  4. physics

    Water flows through a 4.0-cm-diameter horizontal pipe at a speed of 1.3m/s . The pipe then narrows down to a diameter of 2.0cm . Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe?

    asked by Dr.B on March 23, 2018
  5. Physics

    An incompressible fluid is flowing through a horizontal pipe with a constriction. The velocity of the fluid in the wide section of the pipe is 4.00 m/s and the velocity of the fluid in the narrow section of pipe is 9.00 m/s. The

    asked by Mikhail on November 10, 2013
  6. physics

    A horizontal pipe contains water at a pressure of 108 kPa flowing with a speed of 1.5 m/s. The pipe narrows to one-half its original diameter. What are the speed and the pressure of the water when the pipe narrows?

    asked by aok on December 7, 2010
  7. physic

    Water flows through a 4.0-cm-diameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe

    asked by john on November 19, 2009
  8. Physics

    Water flows into one end of a horizontal, cylindrical pipe at 2.0 m/s. The pipe then narrows until its diameter at the opposite end is only 1/3 of that at the beginning. (a) What is the flow speed at the narrow end of the pipe?

    asked by Alex on April 15, 2017
  9. physics

    why does an ideal fluid move faster through a pipe with decreasing diameter? a. the pressure within the fluid increases b. the pressure within the fluid decreases c. the pipe exerts more pressure on the fluid d. the fluid moves

    asked by y912f to bobpursley on February 18, 2009
  10. Physics

    A liquid of density 1.23 × 103 kg/m3 flows steadily through a pipe of varying diameter and height. At location 1 along the pipe the flow speed is 9.23 m/s and the pipe diameter is 1.07 × 101 cm. At location 2 the pipe diameter

    asked by Ashley on November 14, 2013

More Similar Questions