P1 Equations Flashcards
1
Q
Gravitational potential energy =
A
mass x gravitational field strength x height
2
Q
Power =
energy
A
energy transferred / time
3
Q
Power =
work done
A
work done / time
4
Q
Efficiency =
A
useful output / total input
5
Q
Power =
current
A
current2 x resistance
6
Q
energy transferred =
power
A
power x time
7
Q
energy transferred =
charge flow
A
charge flow x potential difference
8
Q
kinetic energy =
A
1/2 x mass x speed2
9
Q
charge flow =
A
current x time
10
Q
potential difference =
A
current x resistance
11
Q
power =
pd
A
potential difference x current
