试题与答案

如图所示，小球m自A点沿AD方向以初速度v逐渐接近固定在D点的小球n。已知AB弧

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题型：计算题

题目：

如图所示，小球m自A点沿AD方向以初速度v逐渐接近固定在D点的小球n。已知AB弧长为0.4m，AB圆弧半径R=10m，AD=10m，A、B、C、D在同一水平面上，则v为多大时，才能使m恰好碰到小球n？（g取10N/kg）

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A, B解析：根据《行政诉讼法》第65条第3款规定：“行政机关拒绝履行判决、裁定的，第一审人民法院可以采取以下措施：（一）对应当归还的罚款或者应当给付的赔偿金，通知银行从该行政机关的帐户内划拨...

考点：简谐运动的周期、频率和角频率
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