[填空题]
A stone is thrown vertically upward with a spee as9)vm+e 8hzzzyf5 3i23q:amdp9wcjf3f z 0d 4 hyhna ru+m(;d of $36 \; m/s$. (a) How fast is it moving when it reaches a height of 22.0 m? $m/s$ (b) How long is required to reach this height for the first time? $s$ (c) How long is required to reach this height for the second time? $s$
