the horizontal wind is blowing with a velocity 10√2 towards north east . A man start running towards north with acceleration 2m/s. The time after which man will feel the wind blowing towards east is Options 1. 2 sec 2. 4 sec 3. 5 sec 4. 4√2 sec Please Answer this ques with explanation
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Answer:
Explanation:
Let V be the velocity of wind V
m
be the velocity of man and V
rel
be the velocity of wind w.r.t man:
V
m
=at,V
r
=
V
2
−V
m
2
when V
m
=V
r
,
V
r
will be along east.
at=
V
2
−a
2
t
2
a
2
t
2
=V
2
−a
2
t
2
V
2
=2a
2
t
2
t=
2
a
V
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