Question

A plane is in level flight at constant speed and each of the two wings has an area of 25m . If the speed
of the air is 50 over the lower wing surface and 65 over the upper wing surface, determine the
planes mass in kg (Take air density to be 1kgm)
1) 8000 kg
2) 6400 kg
3) 4400 kg
4) 3150 kg
​

Answer 1

Answer:

8000kg

6400kg

4400kg

3150kg