[填空题]
A bouncy ball is dropped out of a second story classroom window, 5 m oxqh,bft8am3;21c 6h nyc5k ukff the:pfvfsc :s5 c1 ground. Every time the bal:5 cfv1sps fc:l hits the ground it bounces
89 % of its previous height.
1.Find the height the ball reaches after the 11th bounce.
$u_{11}$≈ m.
2.Find the total distance travelled by the ball until it comes to rest.
total distance travelled≈ m.