Thank you SO much!
Expressing the height and velocity of ball 1 with dependency on a was the missing piece.
Solved it now with your hints :)
Have a nice day!
Homework Statement
So I've been stuck on this exercise for a few hours now, maybe you can help out:
3 balls meet at the same height hm.
Ball 1 is accelerated straight up into the air for 1s from height 0.
When the acceleration stops, ball 2 is launched straight up from height 0 with v2 =...