An aeroplane is moving horizontally through air at a uniform speed . it is observerd that when thr speed of the plane is increased its height above ground increases . staye the reason for this observation

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples