Did it fall–or was it pushed?
作者:
Bernard Scott,
Keith Hagenbuch,
期刊:
The Physics Teacher
(AIP Available online 1977)
卷期:
Volume 15,
issue 7
页码: 388-388
ISSN:0031-921X
年代: 1977
DOI:10.1119/1.2339697
出版商: American Association of Physics Teachers
数据来源: AIP
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