本题目来源于试卷: Thermal Expansion，类别为 美国物理杯赛(Physics Bowl)
[单选题]
01.15: A rectangular piece of metal 3 cm high by 6 cm w r62ql wl/a9qvv:4c5 mau; auvide has a ho l)+vvg8z1kk61 *mz )q..c xcbxzu vynle cut in its center 1cm high by 4 cm wide as shown in the diagram at right. As the metal is warmed fr 1+ q xzz zgv6v.81kkb).y vmucnx*l) com $0^{\circ}C$ to $100^{\circ}C$, what will happen to the dimensions of the hole?
A. both height and width will increase
B. both height and width will decrease
C. both height and width will remain unchanged
D. height will decrease while width will increase
E. height will increase while width will decrease
参考答案: A
本题详细解析:
暂无
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