Equations Flashcards
1
Q
Kinetic energy equation
A
kinetic energy = 1/2 * mass (kg) * speed² (m/s)
2
Q
Gravitational potential energy
A
mass (kg) * gravitational field strength (N) * height (m)
3
Q
Power (watts)
A
Energy transferred (j) / time (s)
4
Q
efficiency
A
useful output / total energy transfer
5
Q
weight
A
mass * gravitational field strength
6
Q
distance
A
speed * time
7
Q
charge flow (c)
A
current * time
8
Q
potential difference
A
current * resistance
9
Q
power
A
(current)² * resistance
10
Q
density
A
mass / volume
