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Physics Final Exam Review

Total questions: 56

Worksheet time: 39mins

Name
Class
Date
1.
How many sig figs are there?
100.00
a)
1
b)
3
c)
4
d)
5
2.
How many sig figs are there?
100000000
a)
1
b)
9
c)
10
3.
How many sig figs are there?
0.00400
a)
1
b)
3
c)
5
d)
6
4.
Which of the following numbers have four significant figures?
a)
56.75 g
b)
40.01 g
c)
0.6000 g
d)
all of the choices
5.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

6.

To convert from Km to m . I have to....

a)

x 10000

b)

x 100

c)

x 103

d)

x 10 -3

7.

0.002 mg = .......

a)

2 x 106 g

b)

2 x 10 3 g

c)

2 x 10 -6 g

d)

2 x 10 -3 g

8.

Significant Figures

Solve the following problem, using the correct number of significant figures each time.

139 cm × 2.3 cm = .........

a)

300 cm2

b)

320 cm2

c)

319 cm2

d)

319.7 cm2

9.

Significant Figures

Solve the following problems, using the correct number of significant figures each time.

13.78 g / 11.3 mL =........

a)

1.2

b)

1.22

c)

1.219

d)

1.2195

e)

1.219469027

10.

400

the number of significant figures in each of the following measurement is

a)

1

b)

2

c)

3

d)

5

e)

6

11.

4001

the number of significant figures in each of the following measurement is

a)

1

b)

2

c)

3

d)

4

e)

5

12.
In a coordinate system, the _____ is the point at which both variables have the value of zero.
a)
distance
b)
magnitude
c)
origin
d)
vector
13.
In this motion diagram, the length of the arrow indicates how far the it represents is from the origin, or the ____ from the origin.
a)
distance
b)
magnitude
c)
position
d)
resultant
14.
Final position minus the initial position is called 
a)
displacement
b)
distance
c)
magnitude
d)
time interval
15.
What is plotted on the horizontal axis of a position-time graph?
a)
motion
b)
position 
c)
speed 
d)
time
16.
_____ is an objects position at a particular instant.
a)
final position
b)
instantaneous position
c)
new position
d)
real position
17.
A bicyclist maintains a constant velocity of
4.0 m/s for a distance of 480 m. How long does it take the bicyclist to travel this distance?
a)
8 secs
b)
120 secs
c)
476 secs
d)
1920 secs
18.

the speed and direction of an object at a particular instant

a)

average speed

b)

average velocity

c)

instantaneous speed

d)

instantaneous velocity

19.

a vector that represents the sum of two or more other vectors

a)

vector

b)

scalar

c)

resultant

d)

time interval

20.

the absolute value of the slope on a position-time graph

a)

instantaneous position

b)

instantaneous velocity

c)

average velocity

d)

average speed

21.
Which of the followiwn is a pair of vector quantities?
a)
Speed - Distance
b)
Velocity - Distance
c)
Velocity - Displacement
d)
Speed - Displacement
22.

a quantity that only consists of a magnitude without direction

a)

vector

b)

scalar

c)

resultant

d)

position-time graph

23.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
24.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
25.
Why does a car accelerate as it round a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up  
26.
Acceleration only takes place when things speed up. 
a)
True
b)
False
27.
Determine the motion of the car.
a)
at rest 
b)
moving at constant speed
c)
speeding up
d)
slowing down
28.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car moving down a ramp
29.
Which section of the graph shows decreasing velocity?
a)
CD
b)
DE
c)
EF
d)
GH
30.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
31.

which feature of a graph allows acceleration to be determined

a)

the area under a displacement-time graph

b)

the area under a velocity-time graph

c)

the slope of a displacement-time graph

d)

the slope of a velocity time graph

32.

If I drop an apple from the top of building, and it takes 5s to hit the ground calculate how tall the building is in meters if the acceleration of gravity is 9.81 m.s-2? (write in 2 dp)

a)

122.63 m

b)

122.64 m

c)

122.62 m

d)

122.65 m

33.

Andi drops a rock from rest from a guard rail overlooking a valley. What is the velocity of the rock at 11s? the acceleration of gravity is 9.81 m.s^-2

a)

107.81

b)

1107.91

c)

107.91

d)

107.23

34.

Use data from fig 3.1 to determine the distance travelled by the ball during the first 0.40

(a)  

35.

Suppose a tourist threw the rock with an initial velocity of 8.0 m/s (down). Determine the velocity at 4s. The acceleration of gravity is 9.81 m/s

a)

31.14

b)

32.14

c)

32.24

d)

31.24

36.

Chika doing serve at 50 m/s while playing tennis ball, what its maximum height from the initial position? the acceleration of gravity is 9.81 m/s^2?

a)

127.42 m

b)

127.24 m

c)

172.42 m

d)

172.24 m

37.

A car is travelling with uniform acceleration along a straight road. The road has marker posts every 100m. when the car passes one post, it has a speed of 10 m/s and, when it passes the next one, its speed is 20 m/s.

What is the car’s acceleration?

a)

1 m.s-2

b)

0.5 m.s-2

c)

1.5 m.s-2

d)

2 m.s-2

38.

velocity has two components

(pick 2 below)

a)

direction

b)

speed up

c)

change in speed

d)

speed down

39.

what is the unit of acceleration

a)

m/s2

b)

m/s1

c)

m

d)

s

40.

a)

A

b)

B

c)

C

d)

D

41.

. In free fall, the only force acting upon an object is ________.

a)

A. Friction

b)

B. Gravity

c)

C. Unbalanced force

d)

D. Balanced force

42.

In freefall, the initial velocity of the object is always _____.

a)

A. Zero

b)

B. Depends on the problem

c)

C. No value

d)

D. It only has final velocity

43.

An increase or decrease in speed or change in direction is known as-

a)

acceleration

b)

time

c)

speed

d)

velocity

44.

How fast one variable changes in relation to another variable on a graph is called-

a)

distance

b)

run

c)

slope

d)

rise

45.

A horizontal line on a distance versus time graph represents an object that is-

a)

gaining speed

b)

slowing down

c)

not moving at all

d)

maintaining a constant speed

46.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

47.

What is the net force on the car?

a)

400 N forward (left)

b)

0 N (balanced forces)

c)

200 N forward (left)

d)

200 N backward (right)

48.

A force that opposes motion is

a)

friction

b)

inertia

c)

acceleration

d)

momentum

49.

7. A car traveling at 90 kilometers/hour when it suddenly stops. The passengers in the car will

a)

continue to move in a straight line and will slide forward in the car.

b)

come to a stop at the same time the car stops

c)

be pushed against the door on the passenger side

d)

be pushed against the door on the driver's side

50.

The gravity between two objects depends on the distance and ____________.

a)

magnetic attraction

b)

volume

c)

mass

d)

momentum

51.

Person on the left = 45 N

Person on the right = 32 N

What is the net force?

a)

zero N

b)

10 N

c)

77 N

d)

13 N

52.

This motion graph represents:

a)

constant speed

b)

acceleration

c)

body at rest

d)

slowing down

53.

When an object is at rest you can say... (select all that apply)

a)

The acceleration is zero

b)

The forces acting on it are balanced

c)

The forces acting on it are unbalanced

d)

The net force is zero

e)

The net force is NOT zero

54.

The standard acceleration due to gravity (or standard acceleration of free fall),is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as:

a)

9.8 m/s.

b)

9.8 m.

c)

9.8 m/s2.

d)

9.8 s.

55.

If an object is in free fall for three seconds, how fast will it be falling?

a)

9.8 m/s

b)

19.6 m/s

c)

29.4 m/s

d)

39.2 m/s

56.
Which would fall with greater acceleration in a vacuum—a leaf or a stone?
a)
the leaf
b)
the stone
c)
They would accelerate at the same rate.
d)
It is difficult to determine without more information.

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