题目内容

劈尖干涉和杨氏双缝干涉实验都是利用振幅分割法来获得相干光的。

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某质点沿一圆周运动，质点运动速率越大，意味着切向加速度越大.

合外力的功为零，合外力的冲量一定为零.

下面表述正确的是

A. 质点作圆周运动，加速度一定与速度垂直
B. 物体作直线运动，法向加速度必为零
C. 轨道最弯处法向加速度最大
D. 某时刻的速率为零，切向加速度必为零

Known for excellence in teaching, research, and service to the community, the University of Victoria serves approximately 17,000 students. It is favored by its ______ on Canada’s spectacular west coast, in the capital of British Columbia.