Q122
Two parallel train tracks run from North to South. On one track train A is moving with a speed 30 m/s from North to South. An the other track a train B is moving with speed 50 m/s from South to North. The relative velocity of train A with respect to train B is
A.
30 m/s
B.
80 m/s
AnswerC.
20 m/s
D.
100 m/s
Answer: Option B
Solution
Answer: Option B
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