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 sphericaxz1o2rp 6c +lhl mass attached to a massless m6* )qd*lmtwtstring. 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 i * qtmw*ldm6t)f a 0.50-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
|