An aeroplane flying horizontally 1 km above ground is observed at an elevation of 60° . After 10 seconds elevation is observed to be 30°. Find speed in km/h. Please answer in right manner.
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Wait i skidded 1 step
So this is the correction
2/root3 covered in 10sec
Then in 1 sec =1/5 root 3 km /sec
Speed in km/hr
1/5 root 3 x 3600
=720/root3
=240 root3 km/hr
=415.69km/hr (Ans)
This is ur ans hope it will help you in case of any doubt comment below
So this is the correction
2/root3 covered in 10sec
Then in 1 sec =1/5 root 3 km /sec
Speed in km/hr
1/5 root 3 x 3600
=720/root3
=240 root3 km/hr
=415.69km/hr (Ans)
This is ur ans hope it will help you in case of any doubt comment below
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