一道英文的物理题,关于功的,How many kilometers per liter will a car go if

一道英文的物理题,关于功的,
How many kilometers per liter will a car go if its engine is 22% efficient and it encounters an average retarding force of 1000 N at highway speed?Assume the energy content of gasoline is 40 MJ per liter.
any4you 1年前 已收到1个回答 举报

mystart 幼苗

共回答了14个问题采纳率:64.3% 举报

M是兆,10的6次方.
40*10^6*0.22/1000=8800m , 即 8.8 km .

1年前

5
可能相似的问题
Copyright © 2024 YULUCN.COM - 雨露学习互助 - 16 q. 0.030 s. - webmaster@yulucn.com