gc textbook chapter 2 Kinematics in One Dimension (id: 01b26d467)

本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension，类别为 IB物理学

[填空题]
Pelicans tuck their wings and free fall straigha,eo y4yju3 mbu6/w0on -343feo(o swr*kl mit down when diving for fish. Suppose a pelican starts its dive f r4oeni*( ksf3l -wmo3rom a height of 16.0 m and cannot change its path once committed. If it takes a fish 0.20 s to perform evasive action, at what minimum height must it spot the pelican to escape? Assume the fish is at the surface of the water.    m

参考答案: 3.3±2%


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