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弹簧振子是一个理想化的谐振动模型,其振动的动力学方程是,振动方程是,其中,称为固有圆频率。( )

判断题
2021-09-01 23:37
A、正确
B、错误
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正确答案
A

试题解析

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()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
一弹簧振子做简谐振动,周期为T,若t时刻和t+△t时刻的位移大小相等,运动方向也相同,则△t一定等于T的整数倍。
一弹簧振子做简谐振动,周期为T,则在t时刻和t+T/2时刻弹簧的长度一定相等。
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(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
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一竖直悬挂的弹簧振子原来处于静止状态,用力将振子下位0.02m后释放,使之做谐振动,并测得振动周期为0.2s,设向下为x轴的正方向,则其振动表达式(SI)为()
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