Pre-AP Unit 8 Test Review

Find the component form of a vector whose initial point is (5, 7) and terminal point is (1, 10)

• <-4, 3>
• <4, -3>
• 5
• <6, 17>

Tags

CCSS.HSN.VM.A.2

Find the component form of a vector whose magnitude is 10 and direction is 150°.

• <10, 150>
• <-8.66, 5>
• <6.99 , -7.14>
• 10i + 150j

Given u = <3, 7> and v =<-5, 4>, find 2v - 3u

• <21, 2>
• <-19, -13>
• <-15, 3>
• 23

Find the magnitude of the vector <10, -8>

• 2
• 12.81
• 6
• 18

Tags

CCSS.HSN.VM.A.1

Find the direction angle for the vector <2, 7>

• 74.05°
• 15.95°
• 195.94°
• 97.28°

A unit vector is a vector that is _____________the given vector and has _____________.

• parallel to, magnitude of 1
• equal to, the same direction
• opposite, the same size
• smaller than, the same direction

Find the magnitude of the resulting force of the combined vectors given their magnitude and direction:
F₁ : magnitude = 60 lbs, θ = 80°
F₂ : magnitude = 80 lbs, θ = 20°

• 121.66 lbs
• <85.6, 86.5>
• 45.3°
• 140 lbs

Find the direction angle of the resulting force of the combined vectors given magnitude and direction:
F₁ : magnitude = 60 lbs, θ = 80°
F₂ : magnitude = 80 lbs, θ = 20°

• 121.66 lbs
• <85.6, 86.5>
• 45.3°
• 140 lbs

Find the component form of the resulting force of the combined vectors given magnitude and direction:
F₁ : magnitude = 60 lbs, θ = 80°
F₂ : magnitude = 80 lbs, θ = 20°

• 121.66 lbs
• <85.6, 86.5>
• 45.3°
• 140 lbs

An arrow is shot at an angle of 35° from horizontal at a velocity of 140 feet per second. What is the ground speed of the arrow?

• h = 114.68 fps
• h = 140 fps
• h = 80.30 fps
• h = 105 fps