Question

if a train goes in straight line from city a to b it cover 1040km. If an Aeroplane flies in the curved path between two same cities, how much distance it will cover why?


Who will give the correct answer with explanation will be marked brainliest by me with 30 points​

Answer 1

If the plane has to fly in straight line then he must fly at some angle theta with the AB. And component of velocity of plane in direction of air flow with respect to ground should be zero. i.e. u=vSinθ. From here Sinθ=

v

u

And component of velocity of plane which will help plane to cover the distance l is vCosθ

So time taken to cover distance l is given by

vCosθ

l

and Cosθ=

1−(

v

u

)

2

.

So time taken from A to B is

v

2

−u

2

l

same will be case while returning so total time will be

v

2

−u

2

2l

Answer 2

Explanation:

$◆ Answer ◆$

Refer to the above attachment ⬆️⬆️.