问题描述：
拦河坝大坝高60米，坝内水深50米，水对坝底的压强为______Pa．（g取10N/kg）最佳答案：
水对坝底的压强：p=ρgh=1.0×103kg/m3×10N/kg×50m=5×105Pa．故答案为：5×105．
问题描述：
拦河坝大坝高60米，坝内水深50米，水对坝底的压强为______Pa．（g取10N/kg）水对坝底的压强：p=ρgh=1.0×103kg/m3×10N/kg×50m=5×105Pa．故答案为：5×105．
上一篇：28．I didn’t enjoy the party very much. I knew ______ nobody there.A．hardlyB．nearlyC．almostD．Mainly
下一篇：18. – Students should devote most of their time to studying rather than playing computer games.– ___