Equations Flashcards
1
Q
Speed
A
Distance/time
2
Q
Speed of sound in air
A
340m/s
3
Q
Acceleration
A
Change in velocity/ time
4
Q
Force
2 different equations
A
Mass x acceleration
Change in momentum/ time
5
Q
Weight
A
Mass x GFS
6
Q
Earths value in g
A
10 N/Kg
7
Q
Change in GPE
A
Mass x GFS x vertical height
8
Q
Kinetic energy
A
(1/2) x mass x (velocity)*2
9
Q
Efficiency
A
Useful energy transferred out / total energy transferred to
10
Q
Wave velocity
2 different equations
A
Frequency x wavelength
Distance / time
11
Q
Momentum
A
Mass x velocity
12
Q
Stopping distance
A
Thinking distance + braking distance
