Question 45
Two trains 100 m and 120 m in length are moving in opposite direction, with speeds 18 m/s and 15 m/s respectively. In what time will they cross each other?
Solution
Their relative velocity=(18+15)=33 m/s.
So, time taken by them to cross eachother is =(100+120)/33=6.67 sec.
D is correct choice.
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