I remember last year in that company, the public account 18 dollars and the private account was 50-60 dollars. I have forgotten the specific country, and I need to analyze it in detail. Let's call and ask. I hope the landlord can solve it as soon as possible.
Vehicle speed vector equation va=vr+ve
What is the absolute speed of the car? va=ve*sina=¡Ì2¦Ø*OA/2
The relative speed of the car vr=¡Ì2¦Ø*OA/2.