問題詳情

25. Determine the minimum area of a flat ice floe 1.0 meter thick if it is to support a 2 000-kg car aboveseawater. (

= 920 kg/m3,

= 1 020 kg/m3.)
(A)20m2
(B)40m2
(C)60m2
(D)80m2
(E) 100m2

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增