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Beginning Physics (Vectors, Metric, Estimation, and Sig Fig)) with Mrs. Corron

Total questions: 85

Worksheet time: 3hrs 39mins

Name
Class
Date
1.
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?  
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North 
2.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
 direction
3.
In practice A of the figure, What is  the magnitude of the  resultant displacement?
a)
5 km 
b)
8 km
c)
11 km
d)
15 km
4.
In practice B of the figure, which displacement is the horizontal component?
a)
30 km, East
b)
30 km, West
c)
40 km, North
d)
40 km, South
5.
Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots
a)
Scalar
b)
Vector
6.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
7.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
8.
If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?
a)
12 km
b)
19 km, East
c)
31 km
d)
43 km, East
9.
The _______ of two or more vectors is the sum of the vectors.
a)
components
b)
scalar
c)
resultant
d)
magnitude
10.

What is the resultant net force?

100 N 230 N

<------ --------->

a)

30 N to the right

b)

230 N to the right

c)

130 N to the right

d)

This is a balanced force

11.

A vector is a ray with both ____________ and _____________.

a)

Wings and halos

b)

Space and time

c)

Direction and magnitude

d)

Radicals and exponents

12.

Write in component form.

a)

<0, 4>

b)

<8, 2>

c)

<2, 8>

d)

<0, 2>

13.

Find the resultant vector.

a)

<5, 3>

b)

<1, 7>

c)

<7, 1>

d)

<3, 5>

14.

Write the vector from A to B...

a)

a

b)

cannot be determined

c)

b

d)

CD

15.

Write the vector from C to A...

a)

a

b)

-a

c)

b

d)

-b

16.

Write the vector from B to D...

a)

a

b)

-a

c)

b

d)

-b

17.

Write the vector from A to D...

a)

a + b

b)

-a + b

c)

b - a

d)

a - b

18.
Which side is adjacent to the 400 angle?
a)
AB
b)
AC
c)
BC
19.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
20.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
21.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
22.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
23.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
24.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
25.
42 L = ___mL
a)
4,200
b)
.0042
c)
4.20
d)
42,000
26.
1 L = _______ mL
a)
1
b)
10
c)
100
d)
1000
27.
183 cm = ___________ m
a)
0.183
b)
1.83
c)
18.3
d)
1,830
28.
648 g = ____ mg
a)
6,480
b)
64,800
c)
648,000
d)
64.8
29.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
30.
If a duck waddles from coordinate
 P = (-3, 2) to
Q = (6,5), then a vector that models the duck's motion is
a)
〈-3,7〉
b)
〈-9,3〉
c)
〈9,-3〉
d)
〈9,3〉
31.

What vector gives the sum of these two vectors? You may know it better as the "resultant".... Hint hint.. :)

a)
b)
c)
d)
e)
32.

What is the best estimate for the height of the tree? It's a tree on campus...along Buckingham Lane (now that we know where that is!)

a)

1 kilometer

b)

4 meters

c)

30 centimeters

d)

150 millimeters

33.

What is the best estimate for the length of this pen? A standard BIC pen...

a)

20 centimeters

b)

150 centimeters

c)

2 meters

d)

3 milliliters

34.

Which is the best estimate for the length of this can? Green beans, Food Lion brand, nothing fancy.

a)

3 centimeters

b)

1 meters

c)

10 centimeters

d)

3 milliliters

35.

About how tall is a washing machine? Hopefully your guardian doesn't wash ALL your clothes and you at least know where this machine is in your house!

a)

10 centimeters

b)

1 meter

c)

30 centimeters

d)

2 meters

36.

What is the approximate height of a battery? Duracell, coppertop... no bunny.

a)

60 centimeters

b)

5 centimeters

c)

3 kilometers

d)

2 meters

37.
What is the first significant figure of 0.00345?
a)
0
b)
3
c)
4
d)
5
38.
Round 87.073 m to three significant figures.
a)
87.07 m
b)
87.0 m
c)
87.1 m
39.

How many sig figs are there?

100000001

a)

1

b)

9

c)

10

40.
How many sig figs are there?
4004
a)
1
b)
2
c)
3
d)
4
41.
What is 0.658 rounded to 1 significant figure?
a)
0
b)
0.66
c)
0.7
d)
0.658
42.

Find the value of ∠A. Use a protractor or some fancy mathematics knowledge to solve!

a)

25°

b)

30°

c)

35°

d)

90°

43.
Find m∠PQR
a)
20o
b)
160o
c)
180o
d)
140o
44.
Find the value of ∠A.
a)
79 degrees
b)
87 degrees
c)
90 degrees
d)
97 degrees
45.
2000 mg = ________ g
a)
2,000,000 
b)
2 
c)
20 
d)
200,000 
46.
5 L = ___________ mL
a)
5000
b)
0.005
c)
50
d)
0.5
47.
Which of the following correctly compares 56 cm and 6 m?
a)
56 cm 〉 6 m
b)
56 cm 〈 6 m
c)
56 cm = 6 m
d)
Impossible to tell
48.
Which of the following correctly compares 7 g and 698 mg?
a)
7 g 〉 689 mg
b)
7 g 〈 689 mg
c)
7 g = 689 mg
d)
Impossible to tell
49.
What did I measure if I record that something was 56 mL?
a)
Volume
b)
Mass
c)
Time
d)
Distance
50.
What did I measure if I record that something was 25 kg?
a)
Volume
b)
Mass
c)
Distance
d)
Time
51.
What did I measure if I record that something was 36 cm?
a)
Volume
b)
Mass
c)
Time
d)
Distance
52.
What did I measure if I record that something was 73 s?
a)
Volume
b)
Mass
c)
Time
d)
Distance
53.
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
a)
10
b)
7
c)
8
d)
6
54.
Distance and direction of an object's change in position from a starting point
a)
displacement
b)
distance
c)
motion
d)
reference point
55.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
56.
David walks 3 km north, and then turns east and walks 4 km. What is the distance?
a)
7 km
b)
3 km
c)
4 km
d)
1 km
57.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
58.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's displacement?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
59.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
60.
A car drives 84 meters forward.  It's displacement and distance would be the same.
a)
True
b)
False
61.

After completing one trip on a roller coaster, the roller coaster's ________ is zero.

a)

displacement

b)

reference point

c)

length

d)

distance

62.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
63.
How many significant figures: 2016 m
a)
1
b)
2
c)
3
d)
4
64.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
65.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
66.
Write 0.000972 in scientific notation.
a)
9.72 x 10-4
b)
9.72 x 10-3
c)
972 x 10-4
d)
9.72 x 104
67.
Write 7.113 x 107 in standard form.
a)
71,130,000
b)
7,113,000
c)
0.0000007113
d)
7,113
68.
Write 6,700 in scientific notation.
a)
6.7 x 103
b)
6.7 x10-3
c)
67 x 102
d)
67 x 10-2
69.
Write 0.037 in scientific notation.
a)
3.7 x 10-2
b)
3.7 x 102
c)
37 x 10-3
d)
37 x 103
70.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
71.

What is scientific notation?

a)

A long way to write really short numbers

b)

A short way to write really long numbers

c)

Mrs. Corron didn't tell me

d)

None of the above

72.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
73.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
74.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
75.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
76.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
77.
When your exponent is negative, you move your decimal....
a)
to the right
b)
to the left
c)
to both sides
d)
nowhere.... the decimal goes nowhere
78.
What is it called when you go from this form to this next form?
0.0088 to 8.8 x 103
a)
Standard form to scientific notation
b)
Scientific notation to regular form
c)
Scientific notation to standard form
d)
Standard form to regular form
79.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
80.

What is the resultant of these two vectors?

a)

+17 m

b)

+3 m

c)

-17 m

d)

-3 m

81.

What is the resultant vector of the two labeled vectors?

a)

+2 km

b)

+14 km

c)

-2 km

d)

-14 km

82.

What is the resultant of the two vectors shown above?

a)

+5

b)

-5

c)

+15

d)

-15

83.

A vector includes ______ and ________.

a)

direction, magnitude

b)

magnitude, units

c)

direction, units

d)

scalars, scalars

84.

A scalar includes ______.

a)

Magnitude and direction

b)

Magnitude

c)

Direction

d)

Vectors

85.

Which of the following describes the vector above?

a)

45 cm

b)

45 cm at 30 degrees North of East

c)

45 cm at 30 degrees West of North

d)

45 cm South of East

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