Please have a look

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Please have a look
以初速度为Vo=10m/s从地面竖直上抛一质量m=0.2kg的物体,不记阻力时,上升几秒后物体的动能和势能相等?其值多大?若物体实际达到的最大高度为h=76m,设物体运动过程中所受阻力大小不变,则所受到的阻力和和落回地面时的速度为多大?（g取10m/s的平方）

上升t s Vt=Vo-gt 1/2mVo*Vo=Ek+Eh=2Ek=mVt*Vt

Please have a look 改正错误 Please have a look my sweater. Please come and have a look（） please have a look that house Please have a look my sweater.改错. please have a look at them对错 please come here____(have)a look please have a look my sweater Have look ,please! please the boy over there. A look after b have a look c look May I have a look at that dress,please?翻译 Let's have a look ,please give the() to me