Change in Velocity Homework Solution

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SUMMARY

The discussion focuses on calculating the change in velocity of water flowing through a pipe at a steady speed of 1.5. The key equation used is V1 - V2 = Change in Velocity, where V1 and V2 represent the entry and exit velocities, respectively. Participants emphasize the importance of expressing these velocities as vectors in xy coordinates to accurately determine the resultant change in vector velocity. The solution involves vector subtraction of the two components.

PREREQUISITES
  • Understanding of vector representation in physics
  • Familiarity with basic fluid dynamics concepts
  • Knowledge of coordinate systems (xy coordinates)
  • Proficiency in vector subtraction techniques
NEXT STEPS
  • Study vector addition and subtraction in physics
  • Learn about fluid dynamics principles affecting velocity changes
  • Explore the application of vectors in real-world fluid flow scenarios
  • Review coordinate systems and their applications in physics problems
USEFUL FOR

Students studying physics, particularly those focusing on fluid dynamics and vector analysis, as well as educators looking for effective methods to teach these concepts.

lil08
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Homework Statement



Water enters and leaves a pipe as shown at a steady speed of 1.5. Find the change in velocity.

http://kv8v6q.blu.livefilestore.com/y1pjsZ-s4z6_sTZEgW2-nsZ8pf1YrZml2cqcsXxgwnDNbUzFlaPXJcSe_nX93qAi6xd_Z7BATO9oBNXPDbxrGoJHEkk6WbzV3wR/0.bmp


Homework Equations



V1-V2=Change in Velocity


The Attempt at a Solution



I need to draw the resultant. What next?
 
Last edited by a moderator:
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lil08 said:

Homework Statement



Water enters and leaves a pipe as shown at a steady speed of 1.5. Find the change in velocity.

http://kv8v6q.blu.livefilestore.com/y1pjsZ-s4z6_sTZEgW2-nsZ8pf1YrZml2cqcsXxgwnDNbUzFlaPXJcSe_nX93qAi6xd_Z7BATO9oBNXPDbxrGoJHEkk6WbzV3wR/0.bmp


Homework Equations



V1-V2=Change in Velocity


The Attempt at a Solution



I need to draw the resultant. What next?

Welcome to the PF. I believe that they want you to calculate the change in vector velocity. So express the entry velocity as a vector in xy coordinates, and the exit velocity in xy coordinates. The difference is just the subtraction of the two vectors, carried out with components.
 
Last edited by a moderator:

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