Equations Flashcards
1
Q
Equation for force
A
Force = change in momentum / time
2
Q
Two equations for wave speed
A
Wave speed = frequency x wavelength
Wave speed = distance / time
3
Q
Equation for kinetic energy
A
Kinetic energy = 1/2 x mass x speed^2
4
Q
Equation for GPE
A
GPE = mass x g x change in height
5
Q
Equation for momentum
A
Momentum = mass x velocity
6
Q
Equation for force
A
Force = mass x acceleration
7
Q
Equation for weight
A
Weight = mass x gravity
8
Q
Equation linking change in velocity and acceleration
A
Change in velocity^2 = 2 x acceleration x distance
9
Q
Equation for efficiency
A
Useful energy / supplied energy
10
Q
Work done
A
Force W = Force x distance
11
Q
Equation for acceleration
A
Change in velocity / time
12
Q
.
A
Initial velocity + acceleration x time
