Physics Paper 1 Flashcards
1
Q
Kinetic energy
A
1/2 x mass x velocity*2
2
Q
Gravitational potential energy
A
Mass x gravitational field strength x height
3
Q
Power
A
Energy transferred/ time
Work done / time
4
Q
Electrical power
A
Potential difference x current
Current*2 x resistance
5
Q
Efficiency
A
Useful energy out / total useful in
Useful power out / total power in
6
Q
Electrical Charge
A
Current x time
7
Q
Potential difference
A
Current x resistance
8
Q
Density
A
Mass / volume
9
Q
Electrical energy transferred
A
Power x time
Charge x potential difference
10
Q
Work done
A
Force x distance moved
