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 mass is attached to a spring of sprie eb* 1ft-l8 )jnien ;s5v/hegncarwgbr:rz-z* q y:- ;g constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go:grz;rw -q: c-*zbry a. It takes the mass 0.50 s to go back to its equilibrium position when it is oscillating. What is the frequency of oscillation?
A. $0.50 \; Hz$
B. $1.0 \; Hz$
C. $1.5 \; Hz$
D. $2.0 \; Hz$
参考答案: A
本题详细解析:
暂无
|