監獄是個直徑100米滴,監獄外是空地,有一個大探照燈做圓周掃描,光圈是100米直徑且與監獄相切的圓,每分鍾掃描一圈。請問犯人最快速度至少多少才能越獄成功?
監獄是個直徑100米滴,監獄外是空地,有一個大探照燈做圓周掃描,光圈是100米直徑且與監獄相切的圓,每分鍾掃描一圈。請問犯人最快速度至少多少才能越獄成功?
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