問題詳情

38. A single conservative force 5c99c850f163f.jpgacts on a particle that moves along an x axis. The particle has mass of 2.0 kg. The potentialenergy 5c99c86ed58d6.jpg associated with 5c99c88981709.jpgis described by 5c99c87e2f301.jpg = 5c99c8c76a1e3.jpg, where x is in meters. What is the value ofxwhere 5c99c89b00347.jpgis equal to zero?
(A) -1.0 m
(B) 1.0 m
(C) 0.5 m
(D) -0.5 m
(E) 0 m 

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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