弹簧振子的周期公式为T=2pi*根号下（m/k）
因此频率f=1/T
可以看到弹簧振子的频率是由弹簧振子本身的静态性质来决定的,因此要想增大频率只有两个办法,那就是增大弹簧的弹性系数或者减小振子的质量.
SAT2物理题,涉及弹簧An object of mass m is attached to a vertically
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