A helicopter is flying at an altitude of 400 m above the ground. If average density of air around the helicopter is 1.2*10^-3 g/cc and atmospheric pressure on the ground is 1010 millibar , then what will be the air pressure on the helicopter? ​  

Dear studentPressure at helicopter+ Pressure by atmosphere till ground= pressure on groundPressure at helicopter=pressure on ground- Pressure by atmosphere till ground=1010 mbar- 400×1.2×10-3 g/cc×10=101000 Nm-2-400×1.2×10-3×103 kg/m-2×10=96200 Nm-2=0.962 barRegards

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