31.6m
冰浮在海水上,钻穿洞后,海水会在洞中漫上来为h2,
m冰g =F浮=p海gV排
p冰gV = p海gV排 (北极冰面大,认为跟海水底面积一样大)
p冰gsh1 = p海gsh2
0.9*250 = 1.03* h2
h2=218.4 m
h=h1-h2=250-218.4=31.6m
31.6m
冰浮在海水上,钻穿洞后,海水会在洞中漫上来为h2,
m冰g =F浮=p海gV排
p冰gV = p海gV排 (北极冰面大,认为跟海水底面积一样大)
p冰gsh1 = p海gsh2
0.9*250 = 1.03* h2
h2=218.4 m
h=h1-h2=250-218.4=31.6m