2D Conservation of Momentum using Air Hockey Discs and Unit Vectors

The video tutorial discusses a physics problem involving the elastic collision of two air hockey disks. The problem is set up with initial conditions, and the concept of momentum conservation is explained. The tutorial walks through the mathematical calculations to determine the final velocities of the disks using unit vectors, highlighting the ease of using vectors over traditional methods. Observations from the experiment are shared, noting discrepancies due to potential experimental errors.

What is the final velocity of the red disk after the collision?

Why was using unit vectors considered easier for solving the problem?

What challenges did the students face when solving the problem without unit vectors?