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 boar/bb2)nw *i7apnw(b bq ys y:w.d 4.0 m abov ixseg--8ye3z0 tob0qe the water’s surface into a deep pool. The person’s downward motion stops 2.0 m below the surface of the water. Estimate the q-8 yz0etb0xgso i-3eaverage deceleration 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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