More applications of vectors.

1. An aircraft is flying at a rate of 600 km/h with a bearing of 60°. A 100
km/h wind is blowing in the direction of 270°. Calculate the
groundspeed and direction of the aircraft. Round your answer to the
nearest whole numbers.

2. An aircraft is flying at a rate of 600 km/h with a bearing of 60°. A 100
km/h wind is blowing in the direction of 270°. Calculate the
groundspeed and direction of the aircraft. Round your answer to the
nearest whole numbers.

3. Three forces of 30 N, 45 N, and 50 N act on a body. The first is in the
direction 50° west of north, the second in the direction 30° north of east,
and the third is southeast. Find the resultant force. Round your answers
to one decimal place.