Kinematics Question 312
Question: A train of 150 meter length it’s going towards north direction at a speed of $ 10m/\sec $ . A parrot flies at the speed of $ 5m/\sec $ towards south direction parallel to the railway track. The time taken by the parrot to cross the train it’s [CBSE PMT 1992; BHU 1998]
Options:
A) 12 sec
B) 8 sec
C) 15 sec
D) 10 sec
Show Answer
Answer:
Correct Answer: D
Solution:
Relative velocity $ =10+5=15\ m/sec $
$ \therefore $ $ t=\frac{150}{15}=10\ sec $
