Johnny drives from his house to school. This trip is 4,5 km long and takes 10 minutes. Calculate his average speed

A

450 km/h

B

0.45 km/h

C

27 km/h

D

45km/h

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Johnny drives from his house to school. This trip is 4,5 km long and takes 10 minutes. Calculate his average speed

A

450 km/h

B

0.45 km/h

C

27 km/h

D

45km/h

Jeanette covers a distance of 10 km in half an hour. Calculate the average speed that Jeanette has.

A

20 m/s

B

5,6 m/s

C

10 km/h

D

5,0 km/h

True or false

1. With a uniform motion the speed is the same throughout the entire movement.

2. Having a constant speed is not the same as uniform motion.

1. With a uniform motion the speed is the same throughout the entire movement.

2. Having a constant speed is not the same as uniform motion.

A

Only 1 is true

B

Only 2 is true

C

Both are true

D

None are true

There is a time interval of 1 second in between each picture, calculate the speed of the hiker

A

0.74 m/s

B

1,0 m/s

C

1.35 m/s

D

1.5 m/s

Lois runs 75 meters in 15 seconds. What is her average speed in m/s?

A

0,2 m/s

B

0,5 m/s

C

0,4 m/s

D

5 m/s

What type of motion does this graph show?

A

uniform motion

B

acceleration

C

deceleration

D

no motion

What type of motion does this graph show?

A

uniform motion

B

increasing speed

C

acceleration

D

deceleration

What can you say about the speed in the graph?

A

The distance is constant

B

The speed in constant

C

The speed changes

D

The time is constant

Which graph indicates the a uniform motion?

A

Graph A

B

Graph B

C

Graph C

D

Graph D

Which colour line shows an acceleration

A

Blue

B

Green

C

Orange

D

Black

A fighterjet has a speed of 1440 km/h.

What is its speed in m/s?

A

40 m/s

B

400 m/s

C

5184 m/s

D

518,4 m/s

What does a horizontal line mean in an (s,t)- diagram

A

standing still

B

a uniform motion

C

an acceleration

D

a deceleration

The speed of a car is 30m/s.

What is its speed in km/h?

What is its speed in km/h?

A

v = 8,3 km/h

B

v = 10,8 km/h

C

v = 108 km/h

D

v = 30 km/h

Panam cycles with her friends to a shopping mall. They are cycling at a speed of 5,0 m/s. What is this speed in km/h?

A

1,5 km/h

B

14 km/h

C

18 km/h

D

30 km/h

3 minutes after leaving the station the TGV (high speed train) has reached its maximum speed of 88,4 m/s. Calculate its average speed during this acceleration in m/s

A

29,4 m/s

B

264,9 m/s

C

44,2 m/s

D

88,4 m/s

What sort of motion does this ball show (from left to right)

A

uniform motion

B

constant speed

C

acceleration

D

deceleration

Two runners participate in a race.

The graph shows how their speed changes over the time.

Which of the following options happens at point t ?

The graph shows how their speed changes over the time.

Which of the following options happens at point t ?

A

runner 1 stops accelerating

B

runner 1 overtakes (inhalen) runner 2

C

both runners have the same speed

D

runner 2 is slowing down

What distance was covered between points B and C?

A

0 km

B

30 km

C

50 km

D

60 km

Calculate the speed between points C and D in km/h

A

15 km/h

B

50 km/h

C

30 km/h

D

20 km/h

Calculate the speed between points A and B in m/s

A

0.1 m/s

B

2 m/s

C

2,8 m/s

D

10 m/s

What sort of motion do you see in part II of the graph?

A

a uniform motion

B

an acceleration

C

a deceleration

D

standing still

Which of the graphs indicates the following scenario: A car starts driving and at some point keeps driving at the same speed.

A

Graph A

B

Graph B

C

Graph C

D

Graph D

Calculate the total distance travelled

A

30 m

B

8 m

C

120 m

D

240 m

Which factors determine your braking distance?

A

concentration, speed, surface area

B

tyre grip, speed, mass

C

alcohol, age, whether the road is wet or dry

D

mass, tiredness, tyre grip

Which factors determine your reaction distance?

A

concentration, speed, tiredness

B

tyre grip, speed, concentration

C

alcohol, age, speed

D

alcohol, tiredness, tyre grip

Which distance is always longest?

A

stopping distance

B

braking distance

C

reaction distance

Which of the below options change when someone has drunk a lot of alcohol?

A

braking distance + reaction distance

B

reaction distance + stopping distance

C

all distances

D

reaction distance + braking distance

Calculate the reaction distance with the help of the graph

A

40 meter

B

80 meter

C

60 meter

D

220meter

Calculate the braking distance with the help of the graph

A

80meter

B

160 meter

C

110meter

D

220meter

True or False

1. The reaction time is dependent on your speed

2. The reaction distance becomes larger when you have a slower speed.

1. The reaction time is dependent on your speed

2. The reaction distance becomes larger when you have a slower speed.

A

Only 1 is true

B

Only 2 is true

C

Both are true

D

Both are false