2013 AP Physics C物理C—Mechanics力學真題系列之簡答題免費下載

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2013 AP Physics C Mechanics Free-Response Questions Free Download

2013 AP 物理C力學簡答題部分免費下載

此套題僅 p II含有簡答題，

共計時45分鐘，共3題

占總分50%

每道大題可能含有不同數(shù)量的小題

可以使用計算器

部分真題預覽：

1）A student places a 0.40 kg glider on an air track of negligible friction and holds it so that it touches an uncompressed ideal spring, as shown in Figure 1 above. The student then pushes the glider back to compress the spring by 0.25 m, as shown in Figure 2. At time t = 0, the student releases the glider, and a motion sensor begins recording the velocity of the reflector at the front of the glider as a function of time. The data points are shown in the table below. At time t = 0.79 s, the glider loses contact with the spring.

1. On the axes below, plot the data points for velocity u as a function of time t for the glider, and draw a smooth curve that best fits the data. Be sure to label an appropriate scale on the vertical axis.
2. The student wishes to use the data to plot position x as a function of time t for the glider.
   1. Describe a method the student could use to do this.
   2. On the axes below, sketch the position x as a function of time t for the glider. Explicitly label any intercepts, asymptotes, maxima, or minima with numerical values or algebraic expressions, as appropriate.
3. Calculate the time at which the glider makes contact with the bumper at the far right.
4. Calculate the force constant of the spring.
5. The experiment is run again, but this time the glider is attached to the spring rather than simply being pushed against it.
   1. Determine the amplitude of the resulting periodic motion.
   2. Calculate the period of oscillation of the resulting periodic motion.