Question

120 m long train is moving towards west with speed of 10m/s .bird flying towards eaat with speed of 5 m/s crosses train . Time taken by bird to cross train will be

Answer 1

Answer:

net speed of bird w.r.t. to train according to question is (10+5)m/s

length of train is 120m

hence time taken by bird to cros the train is 120/15=8s

so the total time taken by bird to crosa the train is 8 s