8 A plane is in level flight and each of its wings has an

Last updated: 6/8/2023

8 A plane is in level flight and each of its wings has an area 20 m If the speed of air on upper and lower surface are 80 m s and 70 m s respectively then the mass of plane is density of air 1kg m Oa 1500 kg O b 1700 kg O c 1650 kg d 1750 kg