本题目来源于试卷: Basic Concepts，类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.23: A point object3cvaind* no d1+p) ;mv ofu1mxr6x9b 2 lsc e+bx+e5+ 2kmtl j.tz mass M is connected to the end of a long string of negligible mass and the system swings as a simp5mlxt 2k r6j19bslbuce+++.e 2 x ztxmle pendulum with period T. The point object of mass M is now replaced with a point object of mass 4M. When this new system swings as a simple pendulum, what is its period?
A. $T 4$
B. $2 T$
C. $T$
D. $T/2$
E. $T/4$
参考答案: C
本题详细解析:
暂无
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