gc physics textbook chapter 6 problems (id: 044bf6440)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
What minimum horsepoe qg 6zsb+5t1pkhlz+ .kddrl 408cz kmij,i2 .wer must a motor have to be able to drag a 310-kg box along a level floor at a speed of 1.2m/s if the cc2l. 0zj,mkdd8 iki4roefficient of friction is 0.45?    hp

参考答案: 2.2±2%


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