A 210 meter long train is moving due North at a of 25m/s. A small bird is flying due South a little above the train with speed 5m/s. The time taken by the bird to cross the train is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Relative velocity of bird w.r.t train 
time taken by the bird to cross the train 
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