1
Q
Kinetic energy=
A
0.5 x mass x (speed)sq
2
Q
Gravitational potential energy=
A
mass x gravitational field strength x height
3
Q
power=
A
energy transferred/time
4
Q
power=
A
work done/time
5
Q
efficiency=
A
useful power output/total power input
6
Q
charge flow=
A
current x time
7
Q
potential difference=
A
current x resistance
8
Q
power=(current)sq x resistance
A
(current)sq x resistance
9
Q
energy transferred=
A
power x time
10
Q
energy transferred=
A
charge flow x potential difference
11
Q
density=
A
mass /volume
