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Precision falling body experiment

 

作者: James A. Blackburn,   R. Koenig,  

 

期刊: American Journal of Physics  （AIP Available online 1976）
卷期: Volume 44, issue 9  

页码: 855-857

 

ISSN:0002-9505

 

年代: 1976

 

DOI:10.1119/1.10277

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

By replacing optical position sensors with electrical contact switches and by using an integrated‐circuit timer with digital readout, the time required for a ball bearing to fall may be measured consistently to about 0.1 msec. The acceleration of gravity may then be determined to better than one part per thousand.

 

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