批踢踢實業坊 Baseball 板: Re: [分享] 22km 超慢速球－new htc one開箱,htc手機評價,htc手機比較,htc手機遊戲,htc手機維修,htc手機價位,htc手機推薦,htc手機鈴聲,中華電信htc手機,htc手機截圖,亞太htc手機,

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Re: [分享] 22km 超慢速球

Jan 13th 2014, 01:56, by dayanday

作者dayanday (Lucky Boy Jizz)

看板Baseball

標題Re: [分享] 22km 超慢速球

時間Mon Jan 13 01:56:15 2014

我不會三角函數但我會谷哥算半天還不如花10秒谷哥 [常見拋體的速度] 拋物線速度 (m/s),(km/h) -------------------------------------------------------- 物體跑了1公尺中所經的拋物線 4.43 m/s, 15.948 km/h 物體跑了10公尺中所經的拋物線 14 m/s, 50.4 km/h 由棒子所擊出之物的拋物線 40 m/s, 144 km/h 物體跑了100公尺所經的拋物線 45 m/s, 162 km/h 從標槍投擲器所射出標槍的拋物線 45 m/s, 162 km/h 80磅的十字弓所射出之箭的軌跡 58 m/s, 208.8 km/h 從漆彈射出的拋物線 91 m/s, 327.6 km/h 從175磅的十字弓射出的拋物線 97 m/s, 349.2 km/h 從空氣槍射出直徑6mm的BB彈 100 m/s, 360 km/h 從來福槍射出直徑4.5mm的子彈 150 m/s, 540 km/h -- Sent from my Nokia 3310 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.25.156.148

→ Archi821:都快變物理板，簽名檔也是唬爛的吧。 01/13 01:57

噓 LWK:無聊 01/13 01:58

噓 chad77:ZZ 01/13 01:58

噓 conanhide:我管你什麼哥，我還九么哥 01/13 02:00

噓 jj95042:??? 01/13 02:02

噓 Martin0414:嗯 01/13 02:46

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