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gc textbook chapter 11 Vibrations and Waves (id: ed2334f2e)

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admin 发表于 2024-12-27 21:09:51 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves,类别为 通用国际物理

[填空题]
A 2.00-kg pumpkin osc8b :qij2dc s1f7gpiu9qq8yx pg1o 35billates from a vertically ha9 pmay9t2:z dc0ggbh5nging light spring once every 0.65 5 ggpch2t:99 yd z0mabs.
(a) Write down the equation giving the pumpkin’s position y (+ upward) as a function of time t, assuming it started by being compressed 18 cm from the equilibrium position (where ), and released. y = (   m)cos(2πt0.65s)
(b) How long will it take to get to the equilibrium position for the first time?    s
(c) What will be the pumpkin’s maximum speed?    m/s
(d) What will be its maximum acceleration, and where will that first be attained?   m/s2




参考答案:
空格1: 0.18±2%空格2: 1.016±2%空格3: 1.7±2%空格4: 17±2%


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