2014 AP Physics 2物理Algebra-Based真题系列之Practice Exam选择题免费下载

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2014 AP Physics 2 Algebra-based Practice Exam Multiple Choices Free Download

2014 AP 物理2模考选择题部分免费下载

此套题仅 p I含有选择题，

共计时1小时30分钟，共50题

占总分50%

仅可使用铅笔答题

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考试时会提供常用的公示表

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部分真题预览：

12）A slab of metal and a slab of wood are placed in a classroom and allowed to sit undisturbed for a long time. A student then places one hand on the metal and the other hand on the wood. Which of the following describes the student’s perception of the temperatures of the slabs and their actual temperatures?

1. The metal slab feels colder to the student because it is at a lower temperature.
2. The metal slab feels colder to the student because it conducts thermal energy away from the student’s hand faster, but the slabs have the same temperature.
3. The metal slab feels warmer to the student because it conducts thermal energy to the student’s hand faster, but the slabs have the same temperature.
4. Both slabs feel the same to the student because they are at the same temperature.

13）When one end of a cold metal spoon is placed upright in a cup of hot cocoa, the other end eventually gets warmer. On the scale of the molecules of the spoon, which of the following is the primary explanation of this phenomenon?

1. Higher-energy molecules will, on average, rise to the top.
2. The hot molecules produce thermal radiation that is then absorbed by the colder molecules.
3. Higher-energy molecules hit lower-energy molecules and, on average, tend to reduce the difference in temperature between the ends of the spoon.
4. Thermal energy is a fluid that flows from high concentration (hot areas) to low concentration (cold areas).

17）A student has a positively charged insulating rod and two initially uncharged conducting spheres, A and B, with insulated handles. Which of the following ordered sequences of actions could the student use to produce a net positive charge on sphere A ?

1. Bring the rod near the right side of A. Touch B to the left side of A. Remove B and then remove the rod.
2. Bring the rod near the right side of A. Touch B to the left side of A. Remove the rod and then remove B.
3. Bring the rod near the right side of B. Touch A to the left side of B. Remove B and then remove the rod.
4. Bring the rod near the right side of B. Touch A to the left side of B. Remove the rod and then remove B.