vectors assignment

The following vector (5 N, 290°) will be drawn on the _____ quadrant

• first

• second

• third

• fourth

In which quadrant does the given above lie?

• Q II

• x - axis

• Q I

• Q III

Find the magnitude of vector AB if the initial point is (-3, 1) and the terminal point is (3, 9).

• 6
• 8.2
• 10
• 10.4

Find the magnitude of vector AB if the initial point is (-3, 1) and the terminal point is (3, 9).

• 6
• 8.2
• 10
• 10.4

If y = (2, 0) and z = (-1, -4), find 3y - 2z

• (5, -8)

• (4, 8)

• (8, 8)

• (-8, -8)

What direction is the angle?

• east of north
• south of east
• north of east
• west of east

The picture shows the flight vector for a helicopter. What is the magnitude and direction of the vector?

• 38.6 mi; 31.2^o east of north

• 26.2 mi; 31.2^o north of east

• 38.6 mi; 31.2^o north of east

• 26.2 mi; 58.8^o north of east

The scalar product of u and v is zero, therefore...

• vectors u and v are parallel

• vectors u and v are perpendicular

• vectors u and v are equal

• vectors u and v are multiples

Given u = (3, 7) and v =(-5, 4), find 2v - 3u

• (21, 2)

• (-19, -13)

• (-15, 3)

• (23, 12)