Angular momentum calculations

A $0.10\,\text {kg}$0, point, 10, start text, k, g, end text ball is thrown with a speed of $v=2{,}0\,\dfrac{\text m}{\text s}$v, equals, 2, comma, 0, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction at a resting stick that can rotate around one end at axis $O$O. The ball hits the stick at $r=1.5\,\text m$r, equals, 1, point, 5, start text, m, end text from $O$O as shown below.

$\dfrac{\text {kg} \cdot \text m^2}{\text s}$start fraction, start text, k, g, end text, dot, start text, m, end text, squared, divided by, start text, s, end text, end fraction