题目内容
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[主观题]
Water is jetting at rate of R=1.5kg/s with v=20m/s on a car, and splashes back with v'=10m/s in the opposite direction. What is the force exerted on the car？ F=_________N
提问人：网友coldstone
发布时间：2022-01-07
题目内容
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