Answer to Question #215754 in Physics for Aru

Question

The compass of an airplane indicates that it is headed towards north, and its airspeed indicator shows that it is moving through air at 240 km/h. If there is wind of 100 km/h from west to east, what is the velocity of the airplane relative to earth?

Answer 1

$$V=\sqrt{240^2+100^2}=260\frac{km}{h}$$