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Physics Unit11: Vibrations and Waves (id: 6719009a7)

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admin 发表于 2024-2-5 14:35:45 | 显示全部楼层 |阅读模式
本题目来源于试卷: Physics Unit11: Vibrations and Waves,类别为 通用国际物理

[问答题]
A 1.5-kg mass attache p f4csw.1s8hzd to springkoe;t3 ins1 v2 with a force constant of 20.0 N/m oscillates on a horizontal, frictionless track. At t= 0, the mass is released from rest a ovs;i3k2e tn1t x= 10.0 cm. (That is, the spring is stretched by 10.00 cm.)
(a) Determine the frequency of the oscillations.
(b) Determine the maximum speed of the mass. Where does the maximum speed occur?
(c) Determine the maximum acceleration of the mass. Where does the maximum acceleration occur?
(d) Determine the total energy of the oscillating system.
(e) Express the displacement as a function of time.




参考答案:
(a) 0.58 Hz (b) 0.37 m/s, at the equilibrium position (c) $1.3 \; m/s^2$, at maximum displacement (d) 0.10 J (e) x = $0.10 \; \cos (3.7t)$


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