Speed of train A =54 km/h, speed of a train B =90 km/h. What is the velocity of B with respect to A?
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There are two scenarios. Velocity of B w.r.t A:
i) when trains A and B both are travelling in the same direction (parallel) = (90 - 54) km/hr
= 36 km/hr
ii) when trains A and B are travelling in the opposite direction (anti-parallel) = (90 + 54) km/hr
= 144 km/hr
i) when trains A and B both are travelling in the same direction (parallel) = (90 - 54) km/hr
= 36 km/hr
ii) when trains A and B are travelling in the opposite direction (anti-parallel) = (90 + 54) km/hr
= 144 km/hr
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