The weight of an aeroplane flying in air is balanced by

The weight of an aeroplane flying in the air is balanced by

From an aeroplane flying, vertically above a horizontal road, the angels of depression of two consecutive stones on the same side of the aeroplane are observed to be 30^(@) and 60^(@) respectively. The height at which the aeroplane is flying in km is

From a point on the ground, the angle of elevation of an aeroplane flying at an alitdude of 600m change from 40^(@) " to " 30^(@) in 5 seconds. Find the speed of the aeroplane ( in kmph).

The angles of elevation of an aeroplane flying vertically above the ground,as observed from the two consecutive stones,I km apart, are 45^(@) and 60^(@) aeroplane from the ground .The height of the aeroplane above the ground in km is: ]

energy possessed by a eagle flying in air is:

Weight of a person can be zero when 1. he is falling freely 2. he is orbiting in a satellite 3. he is in aeroplane flying at a high altitude. 4. he is having ride in a gas filled balloon.