Question

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

Answer 1

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

​

Answ