問題詳情

4.A 50-lb block is acted upon by an 80 lbs force as shown in Figure 4. If the block is initially at rest, determine its velocity after it has traveled a distance of 10 ft. Assume coefficient of kinetic friction between the block and the plane to be 0.2. (30%)

參考答案

答案:B
難度:簡單0.727873
統計:A(42),B(1653),C(18),D(382),E(0)

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