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PHY: Speed - Time & Velocity - Time Graphs

Total questions: 59

Worksheet time: 51mins

Name
Class
Date
1.

At what point is the speed the greatest?

a)

C-D

b)

B-C

c)

A-B

d)

D-E

2.

A negative acceleration means that your object is _____.

a)

doing nothing

b)

moving in circles

c)

speeding up

d)

slowing down

3.

What is happening during point A to B?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 10 m/s2 acceleration

4.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 0 m/s2 acceleration

5.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
6.

Match the graph to the description:

"The car is accelerating."

a)
b)
c)
d)
7.

Match the graph to the description:

"The car is slowing down."

a)
b)
c)
d)
8.

Match the graph to the description:

"The car is stationary."

a)
b)
c)
d)
9.

Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?

a)

8.33 m/s2

b)

-8.33 m/s2

c)

75 m/s2

d)

-75 m/s2

10.

A car has an oil drip that drops every second. What is happening to the motion of the car shown above?

a)

Car is moving with a constant velocity

b)

Car is accelerating or speeding up

c)

Car is decelerating or slowing down

d)

Car is changing directions

11.

What is happening to the car between 3-8 seconds?

a)

The car is stopped

b)

The car is traveling at a constant velocity of 0.5 m/s.

c)

The car has an acceleration of 0.5 m/s2.

d)

The car is going in the other direction.

12.

What is happening to the car between 3-8 seconds?

a)

The car is stopped

b)

The car is traveling at a constant velocity of 0.5 m/s.

c)

The car has an acceleration of 0.5 m/s2.

d)

The car is going in the other direction.

13.
a)
b)
c)
d)
14.
a)
b)
c)
d)
15.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
16.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
17.

At what point is the speed the greatest?

a)

C-D

b)

B-C

c)

A-B

d)

D-E

18.

What is this graph showing?

a)

At rest

b)

Acceleration

c)

Constant speed of 1 m/s

d)

Gradually speeding up

19.

What is this graph showing?

a)

Gradually slowing down

b)

Gradually speeding up

c)

Constant speed

d)

Stopped

20.

What is this graph showing?

a)

Constant speed

b)

Gradually speeding up

c)

Gradually slowing down

d)

At rest

21.

What is this graph showing?

a)

Fast constant speed

b)

Slow constant speed

c)

At rest

d)

Accelerating

22.

What is the graph showing?

a)

Constant speed towards start

b)

Constant speed away from start

c)

Acceleration away from start

d)

Acceleration towards start

23.
a)

Slows down toward start

b)

Slows down away from start

c)

Speeds up while toward start

d)

Speeds up away from start

24.

What is the graph showing?

a)

Slows down toward start

b)

Speeds up toward start

c)

Slows down away from start

d)

Speeds up away from start

25.

How long is the train stopped for in total?

a)

5 minutes

b)

7.5 minutes

c)

10 minutes

d)

2.5 minutes

26.

How fast is the train after 20 minutes?

a)

0.5 km/min

b)

0.2 km/min

c)

5 km/min

d)

5 km/h

27.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 0 m/s2 acceleration

28.

How long did it take Charlie to finish the race?

a)

A)14 meters

b)

B)12 seconds

c)

C)17 seconds

d)

D)14 seconds

29.

In which of the following graphs below are both runners moving at the same speed?

a)
b)
c)
d)
30.

In which of the following graphs below did one runner overtake (run past) the other?

a)
b)
c)
d)
31.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
32.
Alan travels 100 km in 5hrs. Find his average speed in km/h
a)
5km/hr
b)
10km/hr
c)
50km/hr
d)
20km/hr
33.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
34.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
35.

Paul swims at a speed of 5 km/h for 1.5 hours. Find the distance traveled in km.

a)

7.5km

b)

125km

c)

120km

d)

80km

36.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance 
d)
speed = speed/time 
37.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
sec
38.
What is the average speed of the ball if it falls 40 meters 20 seconds?
a)
A.  20 m/s
b)
B.  10 m/s
c)
C.  0.5 m/s
d)
D.  2 m/s 
39.

How would you calculate the time it takes for a bird flying at a speed of 45 km/hr to travel a distance of 1,800 kilometers?

a)

45 ÷ 1,800

b)

45 × 1,800

c)

1,800 ÷ 45

d)

1,800 - 45

40.

How would you calculate the distance traveled by a comet that is flying through the solar system at a speed of 50,000 km/hr for 4 hours?

a)

50,000 ÷ 4

b)

50,000 × 4

c)

4 ÷ 50,000

d)

4 - 50,000

41.

What does the slope of the graph mean/represent?

a)

Distance

b)

Time

c)

Speed

42.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
43.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
44.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
45.
Of the following, which is a vector?
a)
Mass
b)
Time
c)
Speed
d)
Velocity
46.

In which of the following situations would a car be slowing down while traveling backwards?

a)

positive velocity and positive acceleration

b)

positive velocity and negative acceleration

c)

negative velocity and positive acceleration

d)

negative velocity and negative acceleration

47.
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 
48.
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  
49.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
50.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
51.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
52.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
53.
If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
54.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
55.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
56.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
57.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
58.
A crayon has a mass of 10g and volume of 5 mL. What is the density?
a)
30 g/mL
b)
15 g/mL
c)
1 g/mL
d)
2 g/mL
59.

What is the formula for Mass?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density