An airplane flies in a semi-circular arc in order to simulate "weightlessness" for its occupants. If the speed at which the plane flies is 750 km/hr, what is the radius of the semicircular path it flies in? a) An airplane flies in a semi-circular arc in order to simulate "weightlessness" for its occupants. If the speed at which the plane flies is 750 km/hr, what is the radius of the semicircular path it flies in?
76 km
2.2 km
57 km
1.6 km
4.4 km