- Kidssoonglomontothelatesttrend.AteamattheMassachusettsInstituteofTechnologyengineeredalongtubularviruscalledM13tosheatheitselfinproteinsthatglomontocobaltandgoldatoms.Ifyouputsulphurdioxideintoairthatalreadyhasahazeofparticlesinit,thegaswillglomontot...
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- 問題詳情:將一小球從高處水平拋出,最初2s內小球動能Ek隨時間t變化的圖線如圖所示,不計空氣阻力,重力加速度g=lOm/s2。根據圖象信息,可以確定的物理量是A.小球的質量為100gB.小球的初速度為lOm/sC.小球拋出時的離地高度為20mD.2s末重力對小球做功的瞬時功率為lOW【回答】AB知識...
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