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 0.25-kg spsg s 3hk77w1wy ycggdk;ce6 ,+herical mass attached to a masslzrpwql /c,o8um j-11less 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- /lj8rmlu ,wq1ocpz1- kg mass (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
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