8.如图所示为一弹簧振子作简谐运动的振动图象根据图象可以判断 A.从t1时刻到t3时刻振子经过的路程为2a B.t2时刻和t3时刻振子的速度 Template




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tomski8.如图所示为一弹簧振子作简谐运动的振动图象根据图象可以判断 a.从t1时刻到t3时刻振子经过的路程为2a b.t2时刻和t3时刻振子的速度 coloring