Hi, my question corresponding to 2 dimensional physics problems is that: why when given an initial speed of let's say a ball being thrown in the air ( Vi= 23 m/s at 23 degrees relative to the human), why is the velocity of the y component Vy= 23m/s (sin 23) ? My teacher did this in class today and I am a bit confused. Would that mean the velocity of the x component is: Vx=23m/s(cos 23) ?
By the way, I am not confused by the sine or cosine because I know sine relates to the y axis and cos to the x axis.
Thank you for your time.