an aeroplane flying horizontally at a height of 1.5km above the ground is observed certain point on earth to substend an angle of 60 degree. after 15 second its angle of elevation is observed to be 30 degree.Calculate the speed of the aeroplane in km/h
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yash510:
ek bhar figure smaza fo
do
ok
questions ache se read kro
usme bola hai
1.5km uper se
ek aeroplane ja rha hai
us time uski angle 60°hai
after 15sec ke bad 30°
thnx for explanation
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1
there.is ur answer.......
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