Physics test for IGCSE about length and time, speed and velocity -->

# Physics test for IGCSE about length and time, speed and velocity

Wednesday, December 7, 2016
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?

B     aluminium and wood only

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