992603
2
© New Zealand Qualifications Authority, 2018. All rights reserved.
No part of this publication may be reproduced by any means without the prior permission of the New Zealand Qualifications Authority.
Level 2 Physics, 2018
9.30 a.m. Friday 9 November 2018
RESOURCE SHEET
for 91170, 91171, and 91173
Refer to this sheet to answer the questions in your Question and Answer Booklets.
Check that this sheet is printed on the back.
YOU MAY KEEP THIS SHEET AT THE END OF THE EXAMINATION.
L 2 – P H Y S R
You may find the following formulae useful.
θ θ λ
λ λ
τ
= + =
= = = =
= = =
= = =
= ×
= = = +
= + = + = +
=
= = = −
= = =
= = =
= =
=
f d d s s f
m d d
h
h m f
s s
f
n n n
n v v
v f f
T v d
t
v Δd
Δt a Δv
Δt v v at
d vt at d v v t v v ad
a v r
F ma Fd F kx
F mv
r p mv Δp FΔt
E kx E mv ΔE mgΔh
W Fd P W
t g
91170 Demonstrate understanding of waves
91171 Demonstrate understanding of mechanics
1 1 1 or
or
sin sin
1
Speed of light in a vacuum 3.00 10 m s
1
2 2 2
1 2
1 2
where needed, use 9.8 m s
o i
i o 2
i o
i
o o
i
1 1 2 2
1 2
2 1
2 1
8 –1
f i
i 2 i f
f2 i2
c 2
c 2
p 2
k 2
p
–2
