Quiz about Intro to Vectors ( magnitud, direction, components)

Question 1

A vector is a ray with both ____________ and _____________.

Accepted Answer

Direction and magnitude

Answer

Wings and halos

Answer

Space and time

Answer

Radicals and exponents

Question 2

Find the magnitude.

Accepted Answer

5

Answer

0

Answer

-5

Answer

4

Question 3

Find the magnitude (Dadas las componentes del vector)

Accepted Answer

5

Answer

3

Answer

25

Answer

-4

Question 4

Find the magnitude.

Accepted Answer

5

Answer

4

Answer

3

Answer

square root of 5

Question 5

Write in component form.

Accepted Answer

<8, 2>

Answer

<0, 4>

Answer

<2, 8>

Answer

<0, 2>

Question 6

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

Accepted Answer

19 km, East

Answer

12 km

Answer

31 km

Answer

43 km, East

Question 7

You slowly walked 10 km West and then quickly ran 10 km North. During each part of the journey, the ______________ was the same.

Accepted Answer

distance

Answer

displacement

Answer

time

Answer

velocity

Question 8

A vector is a mathematical structure that has both _______ and _______.

Accepted Answer

direction, magnitude

Answer

scope, sequence

Answer

meat, potatoes

Answer

scalar, vector

Question 9

Write in component form.

Accepted Answer

<8, 2>

Answer

<0, 4>

Answer

<2, 8>

Answer

<0, 2>

Question 10

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

Accepted Answer

10

Answer

6

Answer

8.2

Answer

10.4

Question 11

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

Accepted Answer

<-4, 3>

Answer

<4, -3>

Answer

5

Answer

<6, 17>

Question 12

An Arrow with a Magnitude and Direction

Accepted Answer

Vector

Answer

Scalar

Answer

Refractor

Answer

Tip to Tail

Question 13

Velocity is an example of a

Accepted Answer

Vector

Answer

Scalar

Question 14

The Amount or Value

Accepted Answer

Magnitude

Answer

Direction

Answer

Resultant

Answer

Vector

Question 15

Time is an example of a

Accepted Answer

Scalar

Answer

Vector

Question 16

Find the magnitude of this vector (each square is 1 unit long)

Accepted Answer

5

Answer

4

Answer

3

Answer

square root of 5

Question 17

If a car moves 12 miles North, 19 miles East, and 12 miles South, what is its displacement?

Accepted Answer

19 miles, East

Answer

12 miles

Answer

31 miles

Answer

43 miles, East

Question 18

Mass

Accepted Answer

Scalar

Answer

Vector

Question 19

Volume

Accepted Answer

Scalar

Answer

Vector

Question 20

Force

Accepted Answer

Vector

Answer

Scalar

Question 21

A quantity that has both magnitude and direction is called a scalar quantity.

Accepted Answer

False

Answer

True

Question 22

17 m/s, East

Accepted Answer

Vector

Answer

Scalar

Question 23

10 mph

Accepted Answer

scalar

Answer

vector

Question 24

A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?

Accepted Answer

8.6 km

Answer

2 km

Answer

12 km

Answer

12.6 km

Question 25

Which side is adjacent to the 40⁰ angle?

Accepted Answer

AC

Answer

AB

Answer

BC

Question 26

Which of the following quantities are vectors?

Accepted Answer

velocity, acceleration, force

Answer

speed, velocity, acceleration

Answer

force, acceleration, mass

Answer

length, mass, time

Question 27

The magnitude of the resultant is equal to......

Accepted Answer

50m

Answer

2500m

Answer

800m

Answer

70m

Question 28

What is the net force?
100 N 230 N
<------ --------->

Accepted Answer

130 N to the right

Answer

30 N to the right

Answer

230 N to the right

Answer

This is a balanced force

Question 29

Question 29.

Accepted Answer

12.2

Answer

17

Answer

149

Answer

3

Question 30

A tennis ball is dropped from a person's hand while walking. From the person's perspective, the ball appears to fall...

Accepted Answer

straight down

Answer

forward

Answer

backward

Answer

it doesn't fall

Question 31

Vector is a quantity with:

Accepted Answer

magnitude and direction

Answer

magnitude

Answer

direction

Answer

none of the above

Question 32

Question 32.

Accepted Answer

OB + BC = OC

Accepted Answer

OA + AC = OC

Accepted Answer

CB + B0 = -OC

Accepted Answer

OD = 0.5(OA + AC)

Question 33

A vector represents:

Accepted Answer

vector quantities

Answer

physical quantities

Answer

scalar quantities

Answer

the three previous answers

Question 34

These kinds of quantities have only magnitute

Accepted Answer

scalar quantities

Answer

physical quantities

Answer

vector quantities

Answer

vecorial quantities

Question 35

It's an example of scalar quantity (Ojo a esta respuesta)

Accepted Answer

Energy

Answer

Momentum

Answer

Weight

Answer

Acceleration

Question 36

It's an example of vector quantity

Accepted Answer

Force

Answer

Work

Answer

Energy

Answer

Power

Question 37

A vector has...

Accepted Answer

two components (x and y)

Answer

one component (y)

Answer

one component (x)

Answer

length and degrees

Question 38

Given the vector u, give the vertical and horizontal components.

Accepted Answer

Answer

Answer

Answer

Cannot be determined

Question 39

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?

Accepted Answer

50 metres, North

Answer

40 metres, South

Answer

50 metres, South

Answer

40 metres, North

Question 40

Which statement describes a vector?

Accepted Answer

It has both direction and magnitude

Answer

It has magnitude but no direction

Answer

It has direction but no magnitude

Answer

It has constant magnitude but no
direction

Question 41

Is this a scalar quantity or a vector quantity?

Wind blowing at 20 knots ( nudos)

Accepted Answer

Scalar

Answer

Vector

Question 42

How do you combine vectors if they are at a right angle to each other, and you know two sides?

Accepted Answer

Pythagorean Theorem

Answer

Multiply

Answer

Divide

Answer

Use trigonometry

Question 43

What direction is the angle?

Accepted Answer

north of east

Answer

east of north

Answer

south of east

Answer

west of east

Question 44

A vector has both ____ and _____

Accepted Answer

magnitude and direction

Answer

speed and length

Answer

degrees and radians

Answer

style and grace

Question 45

Which of these is not a vector quantity?

Accepted Answer

time

Answer

displacement

Answer

velocity

Answer

acceleration

Question 46

Which of the following are vectors? (Select all that apply)

Accepted Answer

Displacement

Accepted Answer

velocity

Answer

Distance

Answer

Time

Answer

Speed

Question 47

What is the magnitude of the displacement if someone walks 10 km east and then 7 km north?

Accepted Answer

12.2 km

Answer

17 km

Answer

3 km

Answer

4 km

Answer

13.6

Intro to Vectors ( magnitud, direction, components)

53 questions

A vector is a ray with both and _.

Find the magnitude.

Find the magnitude (Dadas las componentes del vector)

Find the magnitude.

Write in component form.

Determine the magnitude of the vector <8, -2>

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

You slowly walked 10 km West and then quickly ran 10 km North. During each part of the journey, the ______________ was the same.

Find the direction of the vector <-3, -5>.

Find the magnitude of the vector <2, -3>.

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