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According to last edit timestamp, you are still the first one to give v2=Inf <-- this answer:)

Explanation: divide the track 500+500, first is V1, second is V2, entire is 2v1, so average 2v1. Now (V1+V2)/2=2V1, solving this, V2=2*2v1-v1=3v1. That's it.

But would it be little bit too easy for 5 SBD ^^?

yay hopefully it's correct :)

Keep in mind the SteemYourBrian series is a tricky mind twisting series :)

oh but I can't get the tricky part 🤔 am I doing the question wrongly...

<the assignmentThanks for your question, but I dun really understand it h
What is your (x,y) plane referring to? The Argand plane?
If so, the answer should be a vector pointing to (0,1), since on the Argand plane x-axis refers to the real part, y-axis refers to the imaginary part.>

haha, I used tricky jedi mind twists (!) to check the same book :-o