本课配套习题挑战模式1/5
A: 压强越来越大,浮力越来越小 |
B: 压强越来越大,浮力越来越大 |
C: 压强越来越小,浮力越来越小 |
D: 压强越来越小,浮力越来越大 |
- 提示1:5LiL5r2c6L+H56iL5Lit77yM5rex5bqm6LaK5p2l6LaK5aSn77yM5qC55o2u5YWs5byPUD3PgWdo5Y+v55+l77yM5omA5Y+X5ray5L2T5Y6L5by66LaK5p2l6LaK5aSn77yb
- 提示2:5LiL5r2c6L+H56iL5Lit77yM5Y2h5qKF6ZqG5Y+R546w5rex5r2c5Zmo5Y+R55Sf6LaK5p2l6LaK5piO5pi+55qE5pS257yp77yM5YiZ6K+05piO5rex5r2c5Zmo55qE5L2T56ev5Y+Y5bCP77yM5pWF5qC55o2u5rWu5Yqb5YWs5byPRjxzdWI+5rWuPC9zdWI+Pc+BZ1Y8c3ViPuaOkjwvc3ViPuWPr+efpe+8jOa1ruWKm+WPmOWwjw==
- 答案:QQ==
5LiL5r2c6L+H56iL5Lit77yM5rex5bqm6LaK5p2l6LaK5aSn77yM5qC55o2u5YWs5byPUD3PgWdo5Y+v55+l77yM5omA5Y+X5ray5L2T5Y6L5by66LaK5p2l6LaK5aSn77ybPGJyPuS4i+a9nOi/h+eoi+S4re+8jOWNoeaihemahuWPkeeOsOa3sea9nOWZqOWPkeeUn+i2iuadpei2iuaYjuaYvueahOaUtue8qe+8jOWImeivtOaYjua3sea9nOWZqOeahOS9k+enr+WPmOWwj++8jOaVheagueaNrua1ruWKm+WFrOW8j0Y8c3ViPua1rjwvc3ViPj3PgWdWPHN1Yj7mjpI8L3N1Yj7lj6/nn6XvvIzmta7lipvlj5jlsI/vvI7mlYXpgIlB
本课配套习题挑战模式2/5
A: 所受浮力变大,压强变大 |
B: 所受浮力变大,压强变小 |
C: 所受浮力不变,压强变大 |
D: 所受浮力不变,压强不变 |
- 提示1:5r2c5rC05ZGY5piv5a6M5YWo5rW45rKh5LiO5rC05Lit77yM5qC55o2u6Zi/5Z+657Gz5b635Y6f55CGRjxzdWI+5rWuPC9zdWI+ID0gRzxzdWI+5o6SPC9zdWI+ID3PgTxzdWI+5rayPC9zdWI+ZyBWPHN1Yj7mjpI8L3N1Yj7vvIzmsLTnmoTlr4bluqbjgIFn5LiN5Y+Y44CB5o6S5byA5ray5L2T55qE5L2T56ev5LiN5Y+Y77yM5omA5Lul5r2c5rC05ZGY5Y+X5Yiw55qE5rWu5Yqb5LiN5Y+Y
- 答案:Qw==
5r2c5rC05ZGY5piv5a6M5YWo5rW45rKh5LiO5rC05Lit77yM5qC55o2u6Zi/5Z+657Gz5b635Y6f55CGRjxzdWI+5rWuPC9zdWI+ID0gRzxzdWI+5o6SPC9zdWI+ID3PgTxzdWI+5rayPC9zdWI+ZyBWPHN1Yj7mjpI8L3N1Yj48YnI+77yM5rC055qE5a+G5bqm44CBZ+S4jeWPmOOAgeaOkuW8gOa2suS9k+eahOS9k+enr+S4jeWPmO+8jOaJgOS7pea9nOawtOWRmOWPl+WIsOeahOa1ruWKm+S4jeWPmOOAguagueaNrua2suS9k+WOi+W8uuWFrOW8j1A9z4FnIGjvvIzmsLTnmoTlr4bluqbkuI3lj5jvvIxn5LiN5Y+Y77yM5L2G5r2c5rC05ZGY55qE5rex5bqm6YCQ5riQ5aKe5Yqg77yM5omA5Lul5Y6L5by65Y+Y5aSn44CC5omA5Lul6YCJQw==
本课配套习题挑战模式3/5
A: 浮力不变,压强不变 |
B: 浮力变小,压强变小 |
C: 浮力变大,压强变大 |
D: 浮力变大,压强变小 |
- 提示1:5rCU5rOh5LiK5Y2H6L+H56iL5Lit77yMaOWHj+Wwj++8jOa2suS9k+WvueawlOS9k+eahOWOi+W8uuWHj+Wwjw==
- 提示2:5rCU5rOh5L2T56ev5aKe5aSn77yM5Y+v55+l5rWu5Yqb5Y+Y5aSn
- 答案:RA==
5rCU5rOh5LiK5Y2H6L+H56iL5Lit77yMaOWHj+Wwj++8jOa2suS9k+WvueawlOS9k+eahOWOi+W8uuWHj+Wwjzxicj7msJTms6HkvZPnp6/lop7lpKfvvIzmoLnmja7pmL/ln7rnsbPlvrfljp/nkIbvvIzlj6/nn6Xmta7lipvlj5jlpKc8YnI+5omA5Lul6YCJRA==
本课配套习题挑战模式4/5
如图所示,四个体积相同而材料不同的球A、B、C、D,分别静止在不同深度处的水里.以下说法正确的是( )
A: 球所受浮力最小 |
B: 球所受浮力最小 |
C: 球所受浮力最小 |
D: 球所受浮力最小 |
- 提示1:PHA+VjxzdWI+QTwvc3ViPu+8nFY8c3ViPkI8L3N1Yj7vvJxWPHN1Yj5DPC9zdWI+PXY8c3ViPkQ8L3N1Yj48L3A+
- 答案:QQ==
PHA+55Sx5Zu+55+l77yM5Zub5Liq55CD5o6S5byA5rC055qE5L2T56ev77yaPGJyPlY8c3ViPkE8L3N1Yj7vvJxWPHN1Yj5CPC9zdWI+77ycVjxzdWI+Qzwvc3ViPj12PHN1Yj5EPC9zdWI+77yMPGJyPuKItUY8c3ViPua1rjwvc3ViPj3PgTxzdWI+5rC0PC9zdWI+VjxzdWI+5o6SPC9zdWI+Z++8jDxicj7lm5vkuKrnkIPlj5fliLDnmoTmta7lipvvvJo8YnI+RjxzdWI+QTwvc3ViPu+8nEY8c3ViPkI8L3N1Yj7vvJxGPHN1Yj5DPC9zdWI+PUY8c3ViPkQ8L3N1Yj7vvI48YnI+5pWF6YCJQe+8jjwvcD4=
本课配套习题挑战模式5/5
水面漂浮着甲乙两个实心球,已知m甲<m乙,甲和乙露出水面的体积相等,则( )
A: 它们浸入水中的体积相同 |
B: 甲浸入水中的体积比乙大 |
C: 两球都漂浮且露出水面的体积相等所以两球的密度相同 |
D: 乙的体积比甲大,乙的密度比甲大 |
- 提示1:PHA+4oi155Sy5LmZ5Lik5Liq5a6e5b+D55CD5ryC5rWu5Zyo5rC06Z2i5LiK77yM5YWI6K6h566X5Ye65o6S5byA5ray5L2T5L2T56ev55qE5YWz57O7PC9wPg==
- 提示2:PHA+4oi155Sy5ZKM5LmZ5Lik55CD6Zyy5Ye65rC06Z2i55qE5L2T56ev55u4562J77yM5Y2zVjxzdWI+55Sy6ZyyPC9zdWI+PVY8c3ViPuS5memcsjwvc3ViPuKItOeUseWFrOW8j1Y9VjxzdWI+5o6SPC9zdWI+K1Y8c3ViPumcsjwvc3ViPuWPr+efpe+8mlY8c3ViPueUsjwvc3ViPu+8nFY8c3ViPuS5mTwvc3ViPu+8jOWNs+S5meeahOS9k+enr+avlOeUsuWkp++8mzwvcD4=
- 答案:RA==
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