gc physics textbook chapter 3 problems (id: adee7f7ca)

本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 IB物理学

[填空题]
The pilot of an airpzyyz)i 8nvw0v r0:t4tlane traveling wants to drop supplies to flood vifeo 3 q-rg:2bdctims isolated on a patch of land 160 m below. The supplies should be drop2gr f-e:3 bqodped how many seconds before the plane is directly overhead?    s

参考答案: 5.71±2%


本题详细解析:

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