本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理
[单选题]
A simple pendulum consists of a 0 h/qw7uc;ny tt4j xg:am((7 tm.25-kg spherical mass attached tb4w7199 yr pxjg3.jobd ytof; o a massless string. When the mass is displaced slightly from its equilibrium position and released, the pendulum swings back and forth with a frequency of 2.0 Hz. What frequency would have resulted if a 0.50-kg m79 41g9yroj bt jf bd;pwoy.3xass (same diameter sphere) had been attached to the string instead?
A. $1.0 \; Hz$
B. $2.0 \; Hz$
C. $1.4 \; Hz$
D. none of the above
参考答案: B
本题详细解析:
暂无
| 
