- Kidssoonglomontothelatesttrend.AteamattheMassachusettsInstituteofTechnologyengineeredalongtubularviruscalledM13tosheatheitselfinproteinsthatglomontocobaltandgoldatoms.Ifyouputsulphurdioxideintoairthatalreadyhasahazeofparticlesinit,thegaswillglomontot...
- 17390
- 问题详情:将一小球从高处水平抛出,最初2s内小球动能Ek随时间t变化的图线如图所示,不计空气阻力,重力加速度g=lOm/s2。根据图象信息,可以确定的物理量是A.小球的质量为100gB.小球的初速度为lOm/sC.小球抛出时的离地高度为20mD.2s末重力对小球做功的瞬时功率为lOW【回答】AB知识...
- 24041