Equations Flashcards
1
Q
Distance travelled
A
average speed x time
2
Q
Acceleration
A
change in velocity / time taken
3
Q
Force
A
mass x acceleration
4
Q
Weight
A
mass x gravitational field strength
5
Q
Efficiency
A
useful energy out / total energy
6
Q
Momentum
A
mass x velocity
7
Q
Wave speed
A
distance / time
8
Q
Wave speed (frequency)
A
frequency x wavelength
9
Q
Density
A
mass / volume
10
Q
Work done
A
force x distance moved in direction of force
11
Q
Change in gravitational potential energy
A
mass x gravitational field strength x change in vertical height
12
Q
Kinetic energy
A
0.5 x mass x (speed) squared
13
Q
Power
A
work done / time taken
14
Q
Energy transferred
A
charge moved x potential difference
15
Q
Charge
A
current x time
