# i:~l!:?imPhysics for pre-IGCSE-Holnework sheet "2

```i:~l!:?im Physics
for pre-IGCSE-Holnework
sheet "2"
start
1. A stopwatch is used to time a race. The diagrams
show the watch at the start and at the end of the
Race. How long did the race take?
A.
\B.
C.
D.
45.7
46.0
46.5
47.0
s
s
s
s
end
I
2. A student uses a stopwatch to time a runner running around a circular track. The runner runs two
laps (twice around the track). The diagrams show the reading on the stopwatch when the runner
starts running, at the end of the first lap, and at the end of the second lap.
What is the time taken for the runner to run the second lap?
runner starts
r
A. 0 min 50 s
J
B. 1 min 10 s
of first lap
c. ] min
13 s
of second lap
D. 2 min 03 s
3. The diagram shows a stopwatch, originally set at OO:OO.Whena car was first seen, the stop-start button was
pressed. When the car passed the observer, the stopwatch showed 0] :06.How long did the car take to reach
the observer?
A. 1.06 seconds
stop-start button
B. 6 seconds
C. 66 seconds
] 06 secon s
,
'1 I
.•.
[2P~'I-f.
Physics for pre-JGCSE-Homework
sheet "2"
4. A pendulum is set in motion and 20 complete swings are timed. The time measured
What is the time for one complete swing of the pendulum?
A.
B.
\ C.
"me JJ ~
0.67 s
0.75 s
1.5 s
r
SWin:1
==
'\O~
30 s
D. 3.0 s
is 30 s.
--C~
1,5
s
.20
5. The diagrams show the times on a stop clock at the beginning and at the end of an experiment. How long did
the experiment take?
stopclock
at beginning
stopclock
atend
o
o
45
15
30
A.
I
10 s
B. 25 s
C. 35 s
D. 45 s
1
21
45
30
```