Question #a28ee

1 Answer
A08
Jul 8, 2016

10s

Explanation:

Speed of train=10ms^-1, due north
Speed of bird=5ms^-1, due south
Relative speed of bird with respect to train=5-(-10)
=15ms^-1
Length of train=150m
We know that "Time" ="Distance traveled"/"Speed"
In the given problem

"Time" =150/15=10s
For relative speed.

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