Question

Two trains of length 500 m and 1000 m moving in opposite direction with same speed cromes
each other in 10 sec, find their speed ?
(C) 100 m/s (D) None of these
(A) 75 m/s
(B) 150 m/s​

Answer 1

Explanation:

relative velocity problem

train are opposites so d=1000+500

t=10

v= d/t

1500/10=150