Question

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我看了答案還是不會算ಠ_ಠ

/97,/A ball is dropped from rest at a height 0o above the ground. At the
same instant, a second ball 1s launched with speed uvo Stralght up
from 崗e ground, at a point directly below where the other ball 1S
dropped. (a) Find acondition on u0o Such that the two balls Will col-
ide in mid-air. (b) Find an expression for the helght at Whieh they
collde.

生 名 油1 ,

Answer 1

L

明天繳啊

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啥東東

L

明天要考試哦

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嘿對 我完了 我還在研究這題哈哈哈哈

L

ok嗎 XD