Kinematics - relative velocities

AI Thread Summary
The discussion focuses on a kinematics problem involving two wheels attached to a rod, with one wheel's velocity known and the relative velocity between the two wheels required. The participant understands the equation vA + vB/A = vA but struggles with determining the angle of rod AB with respect to the x-axis, which is crucial for solving the problem. They express uncertainty about how to approach the problem without all the angles provided. The lack of a visual reference complicates their ability to visualize the situation and apply vector analysis effectively. Clarification on the missing image and guidance on the angle calculation are needed to progress.
srh
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Homework Statement



I have attached a picture of the situation. Small Wheels attached to the ends of rod AB roll along two surfaces. Knowing that at the instant shown the velocity vA of wheel A is 1.5 m/s to the right and the relative velocity vB/A of wheel B with respect to wheel A is perpendicular to rod AB, determine the relative velocity vB/A and velocity vB of wheel B.


Homework Equations


vA+vB/A=vA


The Attempt at a Solution



I understand that vA+vB/A =vA. I know that the component of vA is 1.5m/s in the x direction. The problems that we have done were all with right angles. I know another way to figure out the problem is to draw the vectors but we don't have all the angles. I can't seem to figure out how to find the angle that the rod AB makes w/ the x-axis. Is there a formula that I am missing? I'm just not sure where to start.
 
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Sorry, srh, there doesn't appear to be a picture attached. Can you please try again?
 

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