問題詳情

57. The focal length of a spherical, concave mirror is 8 cm. An object is placed at a distance of 24 cmin front of the mirror. How fast does the image move if the object starts to move at speed

toward the concave mirror?
(A)


(B)


(C)


(D)


(E)

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增