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Physics test for IGCSE about length and time, speed and velocity
1 The diagram shows a speed-time graph for a body moving with constant acceleration.
What is represented by the shaded area under the graph?
A acceleration
B distance
C speed
D time
2 A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel.
What is the average speed of the car?
A 2.5 km / h
B 16.6 km / h
C 150 km / h
D 1000 km / h
3 The diagram shows the speed-time graph for an object moving at constant speed
What is the distance travelled by the object in the first 3 s?
A
1.5 m B 2.0 m C 3.0 m D 6.0 m
4 A small steel ball is dropped from a low balcony.
Ignoring air resistance, which statement describes
its motion?
A
It falls with constant acceleration.
B
It falls with constant speed.
C
It falls with decreasing acceleration.
D
It falls with decreasing speed.
5 The three
balls shown are dropped from a bench.
Which
balls have the same acceleration?
A
aluminium and lead only
B aluminium and wood only
C lead
and wood only
D aluminium, lead and wood
6 A car accelerates from traffic lights. The graph
shows how the car’s speed changes
with time.
How far does the car travel before it reaches a steady speed?
A
10 m B 20 m C 100 m D 200 m
7 A measuring
cylinder contains some water. When a stone is put in the water,
the level rises.
What
is the volume of the stone?
A
50 cm3 B 70 cm3 C 75 cm3 D 125 cm3
8 The graph
represents the movement of
a body accelerating from rest.
After 5 seconds how far has the body moved?
A
2 m B 10 m C 25 m D 50 m
9 A child is standing on
the platform of a station, watching the trains.
A train travelling at 30 m / s takes
3 s to pass the child. What is the length
of the train?
A 10 m B 30 m C 90 m D 135 m
10 The speed-time graph shown is for a bus travelling between stops.
Where on the graph is the acceleration of
the bus the greatest?
11 The circuit of a motor
racing
track
is 3 km in length.
In a race, a car goes 25 times round
the circuit
in 30 minutes.
What
is the average speed of the car?
A
75 km / hour
B
90 km
/ hour
C
150 km / hour
D
750 km / hour
12 A car travels 100 km. The highest speed of the car
is
90 km/h, and
the lowest
speed
is
30 km/h. The journey takes two hours.
What
is the average speed for the journey?
A
30 km
/ h B
50 km
/ h C
60 km
/ h D
90 km
/ h
13 A snail moves along a ruler. It takes 20 s to move from Q to R.
What
is its average speed from Q to R?
What
is its average speed from Q to R?
A 12 cm / s
20
B 12 − 2 cm / s
20
C 20 cm / s
12
20
D 12 − 2 cm / s
14 Two distance
/ time graphs and two speed / time graphs are shown.
Which
graph represents an
object that is at rest?
15 An object moves initially with constant speed and
then with constant acceleration.
Which
graph shows this motion?
16 A tennis
player hits a ball hard and 0.40 s later hears the echo from a wall.
The speed of sound in
air is 330 m / s. How far away is the player
from the wall?
A 66 m B 132 m C 264 m D 825 m
17 A car is moving downhill along a road at a constant speed.
Which
graph is the speed / time graph for the car?
18. In a race, a car travels
60 times around a 3.6 km track. This takes 2.4 hours.
What
is the average speed of the car?
A
1.5 km / h B
90 km
/ h C
144 km / h
D
216 km / h
Physics test for IGCSE about length and time, speed and velocity