我想问问题,很苦恼设塔高为H.则根据题意.A落地时间为T1=根号(2H/g) B落地时间T2=根号[2(H-h2)/g] A下落h1所需时间T3=根号(2h1/g) 因为同时落地,所以T1-T3=T2 我不知道T1-T3=T2 怎么算,就是根式减根式=
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![我想问问题,很苦恼设塔高为H.则根据题意.A落地时间为T1=根号(2H/g) B落地时间T2=根号[2(H-h2)/g] A下落h1所需时间T3=根号(2h1/g) 因为同时落地,所以T1-T3=T2 我不知道T1-T3=T2 怎么算,就是根式减根式=](/uploads/image/z/14296096-64-6.jpg?t=%E6%88%91%E6%83%B3%E9%97%AE%E9%97%AE%E9%A2%98%2C%E5%BE%88%E8%8B%A6%E6%81%BC%E8%AE%BE%E5%A1%94%E9%AB%98%E4%B8%BAH.%E5%88%99%E6%A0%B9%E6%8D%AE%E9%A2%98%E6%84%8F.A%E8%90%BD%E5%9C%B0%E6%97%B6%E9%97%B4%E4%B8%BAT1%3D%E6%A0%B9%E5%8F%B7%282H%2Fg%29+B%E8%90%BD%E5%9C%B0%E6%97%B6%E9%97%B4T2%3D%E6%A0%B9%E5%8F%B7%5B2%28H-h2%29%2Fg%5D+A%E4%B8%8B%E8%90%BDh1%E6%89%80%E9%9C%80%E6%97%B6%E9%97%B4T3%3D%E6%A0%B9%E5%8F%B7%282h1%2Fg%29+%E5%9B%A0%E4%B8%BA%E5%90%8C%E6%97%B6%E8%90%BD%E5%9C%B0%2C%E6%89%80%E4%BB%A5T1-T3%3DT2+%E6%88%91%E4%B8%8D%E7%9F%A5%E9%81%93T1-T3%3DT2+%E6%80%8E%E4%B9%88%E7%AE%97%2C%E5%B0%B1%E6%98%AF%E6%A0%B9%E5%BC%8F%E5%87%8F%E6%A0%B9%E5%BC%8F%EF%BC%9D)
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