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Find time

  • Thread starter neha1
  • Start date
  • #1
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1. two trains 200 meteres and 150 meters are running on the parallel rails at this rate of 40 km/hr and 45 km/hr.in how much time will they cross each other if they are running on the same direction



Homework Equations





3. speed=distance/time
train1 =200*40*5/18
train2=150*45*5/18
 

Answers and Replies

  • #2
Chi Meson
Science Advisor
Homework Helper
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10
All that matters are their relative displacement and their relative speed.

How far apart are they, initially?

What is the difference in their speeds?
 

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