問題詳情

12. A force produces potential U(x) = ax4. where a = 1.43 J/m4 . What is the force and direction when theparticle is at x = -0.78 m?
(A)ON
(B)-0.67 N
(C) 0.67N
(D) -2.7 N
(E) 2.7 N

參考答案

答案:E
難度:計算中-1
書單:沒有書單,新增