Question

For 100 points
A man is walking towards East with a velocity of 8 km/h. wind is blowing toward northeast at angle of 45°. to the man wind appears to blow of angle of 60° north of west-

•Find true velocity of wind
•Find velocity of wind with respect to man.​

Answer 1

A vector’s direction can be expressed using several different methods. In the

diagram of AB, it is expressed as an angle, moving counterclockwise with respect

to a horizontal line. In navigation, vector directions are expressed as bearings.

A true bearing (or azimuth bearing ) is a compass measurement where the

angle is measured from north in a clockwise direction.

True bearings are expressed as three-digit numbers,

including leading zeros. Thus, north is a bearing of 000°,

east is 090°, south is 180°, and west is 270°. For example,

a bearing of 040° is an angle of 40° in a clockwise

direction from due north. For simplicity, we will use the

word bearing to refer to a true bearing.

040°

N

Directions can also be expressed using a quadrant

bearing , which is a measurement between 0° and

90° east or west of the north-south line. The quadrant

bearing N23°W is shown in the diagram.

S

23°

N

W E

A quadrant bearing always has three components: the

direction it is measured from (north in this case), the angle

(23°), and the direction toward which it is measured (west).

The quadrant bearing N23°W is read as 23° west of north, whereas S20°E is

read as 20° east of south. All quadrant bearings are referenced from north or

south, not from west or east.

Answer 2

Explanation:

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