Change in Velocity Homework Solution

[lil08]

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?

 

[berkeman]

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.