首页
登录
职称英语
A train traveling at a speed of 80 mph enters a tunnel that is 0. 5 miles long.
A train traveling at a speed of 80 mph enters a tunnel that is 0. 5 miles long.
游客
2023-10-17
62
管理
问题
A train traveling at a speed of 80 mph enters a tunnel that is 0. 5 miles long. The length of the train is 0. 25 miles. How long does it take for all of the train to pass through the tunnel, from the moment the front enters, to the moment the rear emerges?
选项
答案
One minute.
解析
列车需要运行的总长度为0.5+0.25=0.75miles=3/4miles,列车的速度为80mph,将其化成分钟为80/60=4/3mpm,因此需要的时间为3/4×4/3=1minute
转载请注明原文地址:http://tihaiku.com/zcyy/3107214.html
相关试题推荐
Atraintravelingataspeedof80mphentersatunnelthatis0.5milelong.T
WhydoesSarahatetraveling?[img]2016m3x/ct_eyyjsdz2014c_eyyjsdc_0195_20163[/i
WhydoesSarahatetraveling?[img]2016m3x/ct_eyyjsdz2014c_eyyjsdc_0195_20163[/i
WhydoesSarahatetraveling?[img]2016m3x/ct_eyyjsdz2014c_eyyjsdc_0195_20163[/i
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.T
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.T
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
Atraintravellingataspeedof75mphentersatunnel2—mileslong.Thelengt
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
随机试题
TheMarriageContractAmarriageisacontract.You
劳动者因( )而解除劳动合同是不符合法律规定的。A.用人单位没有在劳动者加班后立
关于无机结合稳定材料无侧限抗压强度试验方法,请回答以下问题。(4)同一组试验的变
Thechangeinthatvillagewasmiraculou
毕Ⅱ式胃大部切除术,与残胃吻合的组织器官是()。A.空肠近端 B.回肠近端
上消化道呕出大量鲜红色血,且不易控制的常见病为A.消化性溃疡出血 B.应激性溃
右边四个图形中,只有一个是由左边的四个图形拼合(只能通过上、下、左、右平移)而成
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
关于过程的最终合格率,下列说法正确的有()。 A.不能计算该过程在通过最终检
下列关于设计施工总承包合同的说法错误的有()。A.设计方案最优 B.削弱实施阶
最新回复
(
0
)