英文two friedns see each other in a grocery store.initially,they are 50m apart .the first friend starts walking toward the second friend at a constant speed of 0.50m/s.At the same instant,the second friend accelerates uniformly from rest at a rate

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英文twofriednsseeeachotherinagrocerystore.initially,theyare50mapart.thefirstfriendstartswalkingtowardt

英文two friedns see each other in a grocery store.initially,they are 50m apart .the first friend starts walking toward the second friend at a constant speed of 0.50m/s.At the same instant,the second friend accelerates uniformly from rest at a rate
英文
two friedns see each other in a grocery store.initially,they are 50m apart .the first friend starts walking toward the second friend at a constant speed of 0.50m/s.At the same instant,the second friend accelerates uniformly from rest at a rate of 1.0m/s toward the first friend.how long before the two friends can shake hands?

英文two friedns see each other in a grocery store.initially,they are 50m apart .the first friend starts walking toward the second friend at a constant speed of 0.50m/s.At the same instant,the second friend accelerates uniformly from rest at a rate
我英语也很烂 不过大概看懂了 就是说两个朋友在一个食品店互相看到对方,他俩距离50米,然后一个人像另一个人走去,速度是固定的0.5米每秒.同时另一个人就从静止开始加速速率为1米每秒向第一个人走去.问多久两人能握手.
这里我怀疑你是不是打错了,如果翻译的意思没错的话,后面应该是个加速度.
但是如果这里是加速度 对时间设t 方程就是0.5t^2+0.5t=50 解出来的正根是个带根号的无理数 如果这里是1米每秒,题目又没给你加速时间或者这段加速过程所走的路程,也就是少了一个条件,这样应该做不出来.
你自己看着办吧