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Grade 9 Test on Mechanics 20241217 (id: 059f5e543)

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admin 发表于 2024-2-6 02:21:25 | 显示全部楼层 |阅读模式
[单选题]
A brick and a feather fffhbt7- (y6w bv4 ey1 i.pt*hsall to the earth au.tr wh(a( j+kzi 3mb-*b:ivpn3mwra ir(:)it their respective terminal velocities. Which object experiences t i:p v+wzhi mwbimnra(t: 3 (a.r3i-b(jru *)khe greater force of air friction?

A. the feather
B. the brick
C. Neither, both experience the same amount of air friction.
D. It cannot be determined because there is not enough information given.


参考答案:  B


本题详细解析: 暂无

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