UC知道这几英语道物理题咋做
来源：百度知道 编辑：UC知道 时间：2024/09/25 18:33:28
1)A 0.5kg object attached to a spring with a force constant of 8N/m vibrates in simple harmonic motion with an amplitude of 10cm.(a)the maximum value of its speed and acceleration.(b)the speed and acceleration when the object is 6cm from the equilibrium position.(c)the time interval required for the object to move from x=0 to x=8cm.
2)A pendulum with a length of 1m is released from an initial angle 15'.After 100s,its amplitude has been reduced by friction to 5.5'.What is the value of b/2m?拜托用中文解的详细一些！大恩不言谢！^-^
请解一下拜托!
2)A pendulum with a length of 1m is released from an initial angle 15'.After 100s,its amplitude has been reduced by friction to 5.5'.What is the value of b/2m?拜托用中文解的详细一些！大恩不言谢！^-^
请解一下拜托!
一个重0.5千克的物体竖直挂在一个劲度系数为8N/m的弹簧上做简谐振动，振幅为 10cm。
1 求最大速度和最大加速度。
2 求当物体运动到距平衡位置6cm时的速度和加速度。
3 求物体从平衡位置运动到距平衡位置8cm所用的时间。
一个单摆，绳长是1米。初始振幅角度是15'
由于有空气阻力，100秒后的振幅角度是5.5'。求b/2m的值。