PHYSICS
STANDARD LEVEL
PAPER 1
Friday 10 November 2000 (afternoon)
45 minutes
N00/430/S(1)
INTERNATIONAL BACCALAUREATE
BACCALAUR°AT INTERNATIONAL
BACHILLERATO INTERNACIONAL
880-235
16 pages
INSTRUCTIONS TO CANDIDATES
!
Do not open this examination paper until instructed to do so.
!
Answer all the questions.
!
For each question, choose the answer you consider to be the best and indicate your choice on the
answer sheet provided.

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1.
The frequency of oscillation
f
of a mass
m
suspended from a vertical spring is given by
1
2
k
f
m
π
=
where
k
is the spring constant.
Which
one
of the following plots would produce a straight-line graph?
A.
f
against
m
B.
2
1
against
f
m
C.
against
f
m
D.
against
m
1
f
2.
The power
P
dissipated in a resistor of resistance
R
in which there is a current
I
is given by
2
P
I
R
=
The uncertainty in the value of resistance of a particular resistor is
!
10% and the uncertainty in the value
of the current in the resistor is
!
3%.
The best estimate for the uncertainty of the power dissipated is
A.
!
6%.
B.
!
9%.
C.
!
16%.
D.
±
19%.
3.
When a car is moving at a speed
v
in a straight line the total force opposing its motion is
F
. The
product
Fv
is a measure of the
A.
power developed by the car.
B.
rate of change of momentum of the car.
C.
work done by the car against the frictional forces.
D.
rate of change of kinetic energy of the car.
± 2 ±
N00/430/S(1)
880-235