2014 AP Physics 1物理Algebra-Based真題系列之Practice Exam簡答題免費下載

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2014 AP Physics 1 Algebra-based Practice Exam Free-Response Questions Free Download

2014 AP 物理1模考簡答題部分免費下載

此套題僅?Section II含有簡答題，

共計時1小時30分鐘，共5題

占總分50%

每道大題可能含有不同數量的小題

可以使用計算器

考試時會提供常用的公示表

完整版下載鏈接見文末

部分真題預覽：

1）The figure above represents two carts, with magnets attached, that make up a system. The mass of one cart and magnet is 1 kg and the mass of the other is 5 kg. The carts are initially at rest on a frictionless track. They are released from rest and exert a repulsive force on each other. The track is not quite horizontal, with the right side slightly lower than the left side.
The speeds of the carts are measured over a 10 s interval. The graph below shows the momentum of the two carts as a function of time for this interval as they move along the x-axis.

1. Based on the graph, were the measurements started at the instant the carts were released?
   Justify your answer.
2. Calculate the magnitude of the external force exerted on the system.
3. Suppose the experiment is repeated with different carts, so that the masses of cart plus magnet are 2 kg and 4 kg. Would your answer to part (b) be different with the new masses?
   Justify your answer.