Two trains A and B are moving in a straight line in the same direction with speeds of 54 km/h and 15 m/s respectively. The relative velocity of one train w.r.t. other is
69 km/hr
69 m/s
39 m/s
Zero
Solution:
As, 54 km/hr = 15 m/s both have same velocity in same direction their relative speed/velocity is zero
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