gc textbook chapter 2 Kinematics in One Dimension (id: d3684fb89)

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]
A person jumps off a diving board 4.0 m above the watvtg -y* (8fz4*f pqfzwer’s surface into a deeen:vo4p)pmq+t: m9f, k zfximd9e,mu:mx*r ;p pool. The person’s downward motion stops 2.0 m below the surface of the water. Estimate the average deceleratfmmmr:xz*xm;9qivm:, ten: kpp, f4u)d9e+oion of the person while under the water. $\approx$    $m/s^2$ (Round to the nearest integer)

参考答案: -20±2%


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