Equations Flashcards
1
Q
Kinetic energy
A
0.5 * mass * (speed)^2
2
Q
Gravitational potential energy
A
mass * gravitational field strength * height
3
Q
Power
A
energy transferred / time
4
Q
Power
A
work done / time
5
Q
Efficiency
A
(useful energy output / total input energy transfer) x 100
6
Q
Efficiency
A
useful power output / total power output
7
Q
Charge flow
A
current * time
8
Q
Potential difference
A
current * resistance
9
Q
Power
A
potential difference * current
10
Q
Power
A
(current)^2 * resistance
11
Q
Energy transferred
A
power * time
12
Q
Energy transferred
A
charge flow * potential difference
13
Q
Density
A
mass / volume
14
Q
Work done
A
force * distance
