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Manipal Entrance Test 2013 Physics Paper
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© examsnet.com
Question : 53
Total: 60
A train of 150 m length is going towards north direction at a speed of 10 m/s. A parrot flies at a speed of 5 m/s towards south direction parallel to the railway track, the time taken by the parrot to cross the train is equal to
12 s
8 s
15s
10 s
Validate
Solution:
Relative velocity of the parrot w.r.t. the train
[
10
−
(
−
5
)
]
=
(
10
−
(
−
5
)
)
m/s = 15 m/s
Time taken by the parrot to cross the train
=
150
15
=
10
s
© examsnet.com
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