A) 6 s
B) 7.5 s
C) 10 s
D) 30 s
Correct Answer: A
Solution :
Relative velocity of bird with respect to train \[=5-(-20)=5+20=25\,m{{s}^{-1}}\] Time taken by bird \[=\frac{d}{{{v}_{rel}}}=\frac{150}{25}=6s\]You need to login to perform this action.
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