Apply the dot product between two vectors

The video tutorial explains the concept of writing vectors in component form, emphasizing the importance of having a zero in front of the J component. It defines vectors U and V and demonstrates how to calculate their dot product by multiplying corresponding components. The tutorial concludes by transitioning to a Q&A session, specifically addressing a question from a student named Sara.

What is the result of the dot product calculation mentioned in the text?

What question does Sara ask in the text?