A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 10.0 m from the takeoff point.
1. If the kangaroo leaves the ground at a 22.0 ∘ angle, what is its takeoff speed ?
2. What is its horizontal speed ?
收錄日期: 2021-04-21 19:16:11
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https://hk.answers.yahoo.com/question/index?qid=20160710140940AA1ytJz