問題詳情

11. The figure shows a uniform rod (length L = 1.0 m, mass m = 2.0 kg) suspended from a pivot adistance d = 0.25 m above its center of mass. If the angular frequency for smalloscillations is ω, then ω2 , in (rad/s)2, is approximately (Given the moment ofinertia about a perpendicular axis through the center of mass is

= mL2 /12 andtake g = 10 m/s2)


(A)1.0
(B)6.25
(C) 2.25
(D) 17.1
(E) 12.25

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增