An airplane is flying horizontally at 115 m/s, at a 20.5 degree angle north of east. State its velocity in rectangular coordinates. Assume that north and east are in the positive direction.

Answer 1

sin 20.5 = 0.35
cos 20.5 = 0.94

so its velocity = 115*.94i + 115*.35j
= ...

Answer 2

148