Physics Unit7: Linear Momentum (id: c2a181d81)

本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理

[单选题]
A toy rocket, of mass 0.12 kg, achieves a velocity of 40 m/s after 3.0 s, w (cv+5 ogtzk6fhen ffzo 6tg5+kc(v ;o(j pgun mw+ 8h/vqc4ired straight up. What average thrust force does the rockej; wum qg4p /vo8+hcn(t engine exert?

A. $1.2 \; N$
B. $1.6 \; N$
C. $2.8 \; N$
D. $4.4 \; N$


参考答案:  C


本题详细解析: 暂无

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