A ship travels from river to ocean,the ship will ___.A.rise a little B.drop a little c.remain theC.remain the same

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A ship travels from river to ocean,the ship will ___.A.rise a little B.drop a little c.remain theC.remain the same

A ship travels from river to ocean,the ship will ___.A.rise a little B.drop a little c.remain theC.remain the same
A ship travels from river to ocean,the ship will ___.A.rise a little B.drop a little c.remain the
C.remain the same

A ship travels from river to ocean,the ship will ___.A.rise a little B.drop a little c.remain theC.remain the same
选择C

a

正确答案为A,这是一个英文物理常识题,一艘船从河里驶向海里,它将会(上升一点),因为海水(咸水)比河水(淡水)密度大,船一直是漂浮状态,即G=F浮,而F浮=液体的密度X引力常量gX船排开水的体积V排,液体密度变大,浮力不变,V排必然减小,也就是说,船浸没在水里的部分变小,船身上升...

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正确答案为A,这是一个英文物理常识题,一艘船从河里驶向海里,它将会(上升一点),因为海水(咸水)比河水(淡水)密度大,船一直是漂浮状态,即G=F浮,而F浮=液体的密度X引力常量gX船排开水的体积V排,液体密度变大,浮力不变,V排必然减小,也就是说,船浸没在水里的部分变小,船身上升

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