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 0.30-kg mass is suspended odjy+j- 1uox8 ht- ,ppkn a sprbom4z4op0y7y ing. In equilibrium the mass stretches the sprizm0po 74o4yyb ng 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released from rest. Write down its equation of motion.
A. y = $0.01 \; \cos (22.1t)$
B. y = $0.01 \; \sin (22.1t)$
C. y = $0.03 \; \cos (22.1t)$
D. y = $0.03 \; \sin (22.1t)$
参考答案: A
本题详细解析:
暂无
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