gc physics textbook chapter 6 problems (id: 43817c261)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 通用国际物理

[问答题]
In Fig. 6–31, water e xdo3i7sif+1 p5.mqvbaly 6ws x .kbfexn..tb0ub(;fi /loons are tossed from the roof of a building, all with the same s ;..x eb/un iyfb xkbsw6.f0t(peed but with different launch angles. Which one has the highest speed on impact? Ignore air resistance.

参考答案:

Since each balloon has the same initial kinetic energy, and each balloon undergoes the same overall change in gravitational PE, each balloon will have the same kinetic energy at the ground, and so each one has the same speed at impact.

本题详细解析: 暂无

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