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 IB物理学

[填空题]
A 3800-kg open railrgy c( -abq8i(jkts2 0wo20-b( hh0uzo dii-qiu ad car coasts along with a constant speed of 8.6m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 3.5kg/min Ignoring friction with the tracks, whatiu(oi0- 0zbihq h-u2d is the speed of the car after 90.0 min?$\approx$    m/s

参考答案: 7.9±2%


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