paper 1 Flashcards
1
Q
speed =
A
distance/time
2
Q
acceleration=
A
v-u / t
3
Q
force=
A
mass x acceleration
4
Q
weight=
A
mass x gravitational field strength
5
Q
momentum=
A
mass x velocity
6
Q
gravitational potential energy=
A
m x g x h
7
Q
kinetic energy=
A
1/2 x m x v^2
8
Q
efficiency=
A
useful energy out / total energy in
9
Q
wave speed (velocity) =
A
frequency x wavelength
v=f x lamda
10
Q
wave speed=
A
distance / time