We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.More informationAgree
profileMalik Kv
asked 2020-02-02 18:47:54 
Speed of a $300$ metre long train is $80$ km/hr.How much time does the train take to pass a bike of speed $62$ km/hr in the same direction?
like 0 dislike 0 comment
profileJay Patel
answered 2020-02-02 18:55:08 

Required time $=\dfrac{0.3}{80+62}\text{ hr}=\dfrac{0.3×3600}{80+62}\text{ seconds}$

Relative speed $=80-62=18\text{ km/hr}=5\text{m/s}$

Required time $=\dfrac{300}{5}=60\text{ seconds}$

like 0 dislike 0 comment

Answer This Question