Edexcel Gcse Physics/additional Science - Unit P2 Physics For Your Future Page 3
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FORMULAE
You may find the following formulae useful.
charge = current × time
Q = I × t
potential difference = current × resistance
V = I × R
electrical power = current × potential difference
P = I × V
energy transferred = current × potential difference × time
E = I × V × t
distance
speed =
time
change in velocity
(
v
--
u
)
a
=
acceleration =
time taken
t
force = mass × acceleration
F = m × a
weight = mass × gravitational field strength
W = m × g
momentum = mass × velocity
work done = force × distance moved in
E = F × d
the direction of the force
(Formulae continues on next page)
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