gc textbook chapter 7 Linear Momentum (id: d60827377)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理

[填空题]
A 3800-kg open railroad car coas 64yi /izdywsb 5) mn7bcyc7/vts al5 px ,q cd ml0s6eyia4ltd4+0zong with a constant speed of 8.6m/s on a level track. Snow begins to fall vertically and fills asep0 lm4yqdl5,+z txcd0i 6 4the car at a rate of 3.5kg/min Ignoring friction with the tracks, what is the speed of the car after 90.0 min?$\approx$    m/s

参考答案: 7.9±2%


本题详细解析:

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