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
t=15015=10 sec



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