問題詳情

3.The spring has an unstretched length of 0.4 m and a stiffness of 200 N/m. The 3-kg slider and attached spring are released from rest at A and move in the vertical plane. Calculate the velocity v of the slider as it reaches B in the absence of friction. (25%)

參考答案

答案:A
難度:非常簡單0.909091
統計:A(330),B(17),C(0),D(8),E(0)

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