Vector Review

In practice A of the figure, what is the direction of the resultant displacement?

• 63 degrees, South of East
• 63 degrees, North of West
• 27 degrees, North of West
• 27 degrees, South of West

In practice A of the figure, What is  the magnitude of the  resultant displacement?

• 5 km 
• 8 km
• 11 km
• 15 km

Tags

CCSS.HSN-VM.B.4C

A car drives 45 miles 30⁰ West of South. Approximately how many miles did the car drive in the westward direction?

• 23 miles

• 39 miles

• 45 miles

• 90 miles

A boat is capable of moving at a speed of 15 m/s in still water. The boat is now on a river that has a current of 6 m/s. Assuming the boat runs at maximum speed. which is not a possible resultant velocity?

• 20 m/s

• 15 m/s

• 10 m/s

• 6 m/s

Solve the sum:

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

If c=<-5, 4> and d=<8, 0>, calculate 2c+d

• <-2, 8>
• <-2, 0>
• <6, 8>
• <6, 0>

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.B.4

CCSS.HSN.VM.B.5

CCSS.HSN.VM.C.10

CCSS.HSN.VM.C.11

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

• 6
• 8.2
• 10
• 10.4

Tags

CCSS.HSN.VM.A.1

An airplane on course N15W° at 400 mph encounters a wind blowing 35 mph due east.
Find the vector w that represents the wind.

• <35, 0>
• <-35, 0>
• <0, 35>
• <0, -35>

Tags

CCSS.HSN.VM.A.1

CCSS.HSN.VM.A.2

CCSS.HSN.VM.A.3

An airplane on course N15W° at 400 mph encounters a wind blowing 35 mph due east.
Find the vector p that represents the plane.

• 400〈cos15i +sin15j〉
• 400〈cos105i +sin105j〉
• 400〈cos75i +sin75j〉
• 15〈cos400i +sin400j〉

Find the components of a vector v such that 
v + 〈-6,4〉 = 〈10,-3〉

• 〈4,1〉
• 〈16,4〉
• 〈16,-7〉
• none of these

Tags

CCSS.HSN.VM.A.2