Vector Addition and Rectangular components

A vector is a ray with both ____________ and _____________.

• Wings and halos

• Space and time

• Direction and magnitude

• Radicals and exponents

Find the magnitude of a vector (3, -4).

• 5

• 3

• 25

• -4

Find the magnitude of

• 4

• 5

• 3

• square root of 5.

Write in component form

• <0, 4>

• <8, 2>

• <2, 8>

• <0, 2>

What is the horizontal component of a vector w = (-18, 5)

• -18

• 5

• 18

• -5

Given u = (3,5) and v = (-2,2). Find u + v?

• <5, 3>

• <1, 7>

• <7, 1>

• <3, 5>

Given u = (3,5) and v = (-2,2). Find 3u - v?

• <9,15>

• <7, 17>

• <15, 9>

• <11, 13>

Given u = (3,5) and v = (-2,2). Find -u + 2v?

• <-7, -1>

• <5, 3>

• <1, -9>

• <8, 11>

Determine the direction of <8, -2>

• 346 degrees

• 14 degrees

• 166 degrees

• 194 degrees

Two forces: 32N and 45 N with angle between of 35 deg. Determine the magnitude of the resultant.

• 5408.2

• 26.3

• 689.8

• 73.5