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共找到 2 与Ifaballisthrownverticallyupwardfromtheroofofa48foottallbuildingwithavelocityof48ft/sec 相关的结果，耗时29 ms
Ifaballisthrownverticallyupwardfromtheroofofa48foottallbuildingwithavelocityof48ft/sec
,itsheightinfeetaftertsecondsiss(t)=48+48t-16t^2
英语
seconds is s(t
Ifaballisthrownverticallyupwardfromtheroofofa48foottallbuildingwithavelocityof112ft/sec,itsheightinfeetaftersecondsisS(t)=48+112t-16t^
其他
econds is S(t)
1
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