0.8kW=______J/s =_____V·A

0.8kW=______J/s =_____V·A .0.5度=____kWh=Ws=______J.44100W=______kw=______J/S. 1kw/h=?w/s 1w=1J/s,那么1kw=多少?1kw.h呢 let's save water = let's ___ ___ water 1W=1J/s那么1KW=? 1.2kw=?w.5min=?s 1J/S=?KW/h电能的换算 They are at work.=They ___ ___ Is your mother in today?=Is your mother ___ ___ tpday?1.What's the time,please?=___ ___ ___ ___ ,please?2.It's eight fifteen.=It's ___ ___ ___ ___.3.It's nine fifty.=It's ___ ___ ___.4.It's six thirty.=It's ___ ___ ___. Let's take them home=___ ___ them home? 功率“kw=?hp 1 度= kw.h,1kw.h= j.g=1 度= kw.h,1kw.h= j.g= n/kg.c= m/s Where`s the ferry pier =Can you tell me ___ ___ ___ ___the ferry pier 某机械的功率是600kW= W= J/S,它表示某机械的功率是600kW= W= J/S,它表示 如图,某人将一物体用40N的推力匀速将一个重为200N的物体推上高h=1m,长s=6m的斜面,则人对物体做的总功为______J,额外功为_______J,摩擦力为_______N,斜面的机械效率为_______. 求物理填空题答案[机械能守恒定律]1.用200N的拉力将地面上的一个质量为10kg的物体提升10m（g=10m/s^2,不计空气阻力）.拉力对物体所做的攻是______J;物体被提高后具有的重力势能是_____J(以地面 1mol双原子理想气体经恒压加热热力学能变化为ΔU=250J,则其焓变为ΔH=______J Joe’s diet is less healthy than Alice’s.=Joe’s diet is ___ ___ ___ Alice's.四个空格